Differential (Click to cross reference) ABCD2 score abciximab ABCS abdominal cramps abdominal distention abdominal migraine abducens nerve paralysis abducens nerve paralysis, bilateral abortion, spontaneous abscess, brainstem abscess, intracerebral abscess, intracerebral, multiple abscess, intracerebral, recurrent abscess, intracerebral, treatment of abscess, intracerebral, tuberculous abscess, intracranial abscess, intracranial-fungal abscess, lung abscess, retropharyngeal abscess, sphenoid sinus abscess, spinal cord absence abstinence syndrome abulia acalculia acetaminophen acetazolamide acetylcholine receptor acetylcholine receptor antibody acetylcholinesterase acetyl-L-carnitine aciduria acne vulgaris acoustic nerve acoustic neurinoma acoustic neurinoma, bilateral acquired immunodeficiency syndrome acquired immunodeficiency syndrome dementia complex acquired immunodeficiency syndrome dementia complex, pathogenesis acquired immunodeficiency syndrome, heralded by neurologic invol 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air travel airway obstruction akathisia akinetic mute albendazole Alberta Stroke Program Early CT score albumin alcohol alcohol drip alcohol intolerance alcohol intoxication alcohol, blood level of alcohol, neurologic complications with alcoholic blackout alcoholic coma alcoholic dementia alcoholic polyneuropathy alcoholic withdrawal states, DT's, convulsions, etc. alcoholism aldolase alemtuzumab alexia alexia with agraphia algorithm alien hand syndrome allodynia allopurinol almotriptan alopecia alpha agonists alpha-fetoprotein alpha-synuclein altered states of consciousness alternating hemiplegia alternative medicine alveolar hypoventilation Alzheimer type II astrocytosis Alzheimer's disease Alzheimer's disease, behavioral symptoms Alzheimer's disease, diagnosis of Alzheimer's disease, driving with Alzheimer's disease, early onset Alzheimer's disease, early symptoms Alzheimer's disease, familial Alzheimer's disease, incidence Alzheimer's disease, misdiagnosis Alzheimer's disease, 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tongue angiofibroma, facial angiography, cerebral, beaded vessels angiography, cerebral angiography, cerebral, false negative angiography, cerebral, negative angiography, neurologic complications with angiography, posterior fossa angiography, spinal angiokeratoma angiomyolipomas angioneurotic edema angiotensin-converting enzyme angiotensin-converting enzyme, inhibitors animal exposure anisocoria ankle edema ankle, swelling of ankylosing spondylitis anorexia anorgasmia anosmia anosognosia antalgic gait anterior cerebral artery anterior cerebral artery territory infarction anterior cerebral artery, emboli to anterior cerebral artery, occlusion of anterior cerebral artery, stenosis of anterior choroidal artery anterior horn cell disease anterior spinal artery anterior spinal artery infarction anterior temporal branch of posterior cerebral artery anterocollis anthrax anti DNA test anti GQ1b IgG antibody anti HMGCR antibody anti Hu antibody anti IgLON5 anti JC virus antibodies anti Ma anti MAG antibodies anti Ri antibody anti Ta anti Yo antibody anti-amyloid therapy antiarrhythmic drugs antibiotic prophylaxis antibiotics antibiotics, neurologic complications with antibodies to measles antibodies to voltage-gated calcium channels anticardiolipin antibodies anticholesterolemic agents in treatment of C.V.D. anticholinergic drugs anticholinergic drugs, side effects of anticholinesterase anticoagulant, complications of anticoagulant, contraindications anticoagulant, discontinuation anticoagulant, failure anticoagulant, restarting anticoagulant, reversal of anticoagulant, self-monitoring anticoagulant, treatment anticoagulant, treatment in CVD anticoagulant, treatment, combined anticoagulation clinic anticoagulation effect anticoagulation, perioperative anticoagulation, timing after stroke anticonvulsants anticonvulsants, absorption anticonvulsants, bioavailability anticonvulsants, blood level determination of anticonvulsants, brand name anticonvulsants, buccal administration 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drugs antistriational muscle antibody antisynthetase syndrome antithyroid antibodies antiviral agents anxiety anxiolytic agents aorta, abdominal aorta, abnormal aorta, atherosclerosis aortic arch stenosis aortic arch study aortic arch ulcerated plaques aortic surgery aortic valve strands aortic valve, bicuspid aortic valve, calcification aortic valve, insufficiency aortic valve, lesion of aortic valve, regurgitation aortic valve, replacement aortic valve, replacement, transcatheter aortic valve, stenosis aortitis aortoiliac reconstruction aphasia aphasia, children aphasia, classification of aphasia, conduction aphasia, global aphasia, global-without hemiparesis aphasia, progressive aphasia, recovery from aphasia, references aphasia, rehabilitation aphasia, sign language aphasia, subcortical aphasia, testing aphasia, transcortical aphasia, transcortical-motor aphasia, transcortical-sensory apixaban apnea apolipoprotein E apoliprotein E, plasma level apoptosis applause sign Apple watch apraxia apraxia of eyelid opening apraxia, constructional aptiganel aqueduct of Sylvius, obstruction arachnoiditis arbovirus area postrema area postrema syndrome areflexia argatroban Arizona arm atrophy arm swing, reduced arm weakness Arnold Chiari malformation aromatic amino acid decarboxylase deficiency arrhythmia, cardiac arrhythmia, CNS causes of artane arterial dissection arterial dissection, aorta arterial dissection, basilar arterial dissection, bilateral arterial dissection, carotid arterial dissection, cerebral arterial dissection, childhood arterial dissection, intracranial arterial dissection, multiple arterial dissection, precipitating events arterial dissection, recurrent arterial dissection, ruptured arterial dissection, traumatic arterial dissection, vertebral arterial perforation arterial puncture arteriopathy arteriovenous malformation arteriovenous malformation, brainstem arteriovenous malformation, cerebral arteriovenous malformation, cerebral, ruptured arteriovenous malformation, cerebral, unruptured arteriovenous malformation, pulmonary arteritic anterior ischemic optic neuropathy arteritides arteritis, temporal arteritis, temporal, extremity involvement with arteritis, temporal, occult arthralgia arthritis arthrogryposis multiplex arthropathy artificial intelligence artificial nutrition and hydration ascending paralysis ascites Asia Asians asparginase aspartate aminotransferase Asperger's syndrome aspergillosis aspiration aspirin aspirin, discontinuation aspirin, dose of aspirin, failure of aspirin, rectal aspirin, restarting aspirin, sex difference in antithrombotic effect asterixis asthma astrocytoma asymptomatic asystole ataxia ataxia telangiectasia ataxia, acute onset ataxia, cerebellar ataxia, hereditary ataxia, paroxysmal ataxia, progressive ataxia, sensory ataxia, truncal ataxic gait ataxin atheromatous branch disease, intracranial atherosclerosis, generalized atherosclerosis, premature atlanto-axial subluxation atomoxetine atorvastatin atrial appendage closure atrial cardiopathy atrial ectopic beats atrial enlargement atrial fibrillation atrial fibrillation, device-detected atrial fibrillation, nonvalvular atrial fibrillation, paroxysmal atrial fibrillation, resolved atrial fibrillation, risk stratification atrial fibrillation, screening atrial fibrillation, surgical treatment atrial fibrillation, treatment atrial flutter atrial myxoma atrial septal aneurysm atrial septal defect atrioventricular block atropine attention attention deficit disorder with hyperactivity attention deficit disorder with hyperactivity, adult attention span atypical audiogram audiologic test to localize site of pathology audiology audit auditory evoked brainstem potentials auditory evoked potentials AURORA autism autism, screening for autistic behavior autoantibodies autoantibody prevalence in epilepsy score autoimmune basal ganglia encephalitis autoimmune disease autoimmune encephalopathy autoimmune epilepsy autoimmune GFAP astrocytopathy autoimmune meningitis automatic behavior automobile accidents autonomic cardiovascular reflexes autonomic dysfunction autonomic dysfunction, acute autonomic dysfunction, evaluation of autonomic nervous system autonomic neuropathy autonomic neuropathy, idiopathic autoregulation, cerebral autosomal dominant nocturnal frontal lobe epilepsy axonal degeneration axonal shear injury Ayurvedic medicine azathioprine azidodeoxythymidine B 12 deficiency B cell lymphocyte depletion B cell lymphocytes B cell lymphoma B12 Babinski sign back exercises back schools back support back surgery baclofen bacteremia bacterial endocarditis, neurologic manifestations of bacterial infection bacterial infection, CNS BAFTA study BAL baldness Balint's syndrome barbiturate barbiturate anesthesia barbiturate anesthesia, cardiac arrest barbiturate anesthesia, cerebral infarction barbiturate anesthesia, head injury barbiturate anesthesia, increased intracranial pressure barbiturate anesthesia, status epilepticus Barkhof MR criteria for MS baroreceptors bartonella henselae basal cistern basal ganglia basal ganglia, calcification of basal ganglia, hemorrhage basal ganglia, lesion of basal ganglia, lesion, bilateral baseball BASICS trial basilar artery basilar artery occlusion basilar artery plaque basilar artery stenosis BASIS trial Bassen-Kornzweig syndrome bat bite battered child syndrome BCG treatment Beau's lines bedridden behavior behavior modification behavior, combative behavioral disorder behavioral disorder, acute Behcet's syndrome Bell's phenomenon benign essential tremor benign essential tremor, refractory benign positional vertigo benign recurrent vertigo benzodiazepine benzodiazepine antagonist BEST trial beta adrenergic agonist beta adrenergic blocker beta-D-glucon Bezold-Jarisch reflex bias bilateral periventricular nodular heterotopia bilirubin encephalopathy binge drinking Bing-Neel syndrome biofeedback biologic markers biological warfare biotinidase deficiency BiPAP birth injury bitemporal visual field defect black box warning blacks bladder dysfunction blastomycosis bleeding disorder blepharospasm blind spot, enlarged blindness blindness, monocular blindness, sudden blinking blood brain barrier blood cultures blood dyscrasias, neurologic findings with blood gases, arterial blood pressure blood pressure after stroke blood pressure, asymmetric blood pressure, control blood pressure, lowering blood transfusion body odor body temperature bone density bone marrow biopsy bone marrow infarction bone marrow necrosis bone marrow transplantation bone scanning boomerang sign Borrelia burgdorferi infection botulinum toxin botulinum toxin, complications of botulism botulism, infant brachial neuritis brachial neuritis, acute brachial neuritis, prognosis of brachial plexus brachial plexus injury brachial plexus injury, prognosis of brachial plexus injury, treatment of brachial plexus neuropathy brachial plexus neuropathy, familial brachial plexus neuropathy, recurrent brachial plexus, lesion of brachial radiculoplexopathy bradycardia bradycardia-tachycardia syndrome bradykinesia bradyphrenia brain atrophy brain biopsy brain biopsy, complications of brain biopsy, false negative brain biopsy, indication brain biopsy, negative brain biopsy, stereotaxic brain damage brain fog brain mapping brain natriuretic peptide brain purpura brain scan brain scan, abnormal brain transplantation brain transplantation, complications of brainstem brainstem, deformity of brainstem, dysfunction brainstem, glioma brainstem, glioma in children brainstem, glioma, adult brainstem, hemorrhage, primary brainstem, infarction of brainstem, ischemia brainstem, lesion of brainstem, neoplasms of brainstem, syndrome brainstem, vascular malformation of brand name drug breast feeding bridge therapy Broca's aphasia bromocriptine bronchoscopy Brown Sequard syndrome brucellosis brucellosis, nervous system involvement with Brudzinski's sign Brueghel's syndrome bruising bruit bruit, abdominal bruit, asymptomatic bruit, cranial bruit, orbit bruit, supraclavicular brush sign Budd-Chiari Syndrome bulbar dysfunction bulbar palsy bulbar palsy, progressive buphthalmos burning feet burning hands burning mouth burning mouth syndrome burning paresthesia burning skin bursitis burst suppression pattern, electroencephalogram butorphenol buttock numbness cabergoline cachexia cafergot caffeine CAG repeats calcification, gyral calcification, intracranial calcification, muscle calcifications, intracranial, punctate calcitonin gene related peptide calcitonin gene-related peptide receptor blocker calcium calcium antagonist calcium antagonist, side effects of calcium channel dysfunction calcium pyrophosphate dihydrate deposition disease calcium, serum calf hypertrophy California call 911 Call-Fleming syndrome callosal angle caloric testing Cambodia camphor camptocormia campylobacter infection canalolithiasis Canavan's disease cancer associated hypercoagulation cancer associated myopathy cancer, cerebrovascular accident complicating patients with candida albicans cane cannabinoids capsaicin capsular warning syndrome CAR syndrome CAR T-cell therapy carbamazepine carbamazepine, controlled release carbamazepine, toxicity carbon monoxide poisoning carbon monoxide poisoning, chronic carbonic anhydrase inhibitor carboxyhemoglobin carcinoma carcinoma of bladder carcinoma of breast carcinoma of lung carcinoma of ovary carcinoma of pancreas carcinoma of prostate carcinoma of stomach cardiac arrest cardiac arrest and resuscitation cardiac catheterization cardiac catheterization, neurologic complications cardiac enzymes cardiac implantable electronic devices cardiac surgery cardiac surgery, neurologic complications with cardiac tamponade cardiac transplantation cardiomegaly cardiomyopathy cardiopulmonary bypass cardioseal device cardiotoxicity cardiovascular disease cardioversion caregiver caries carmustine carnitine deficiency carnitine deficiency myopathy 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lethal catecholamine catechol-o-methyltransferase inhibitor cat-scratch disease cauda equina cauda equina, enhancement cauda equina, lesion of caudate nucleus caudate nucleus, atrophy causalgia cause of death cavernous hemangioma cavernous sinus cavernous sinus, expansion cavernous sinus, lesion of cavernous sinus, metastasis to cavernous sinus, syndrome cavernous sinus, thrombosis cavernous sinus, thrombosis, septic CD4 counts CD8 encephalitis Cefaly device cefotaxime ceftriaxone celiac disease, adult celiac disease, childhood celiac disease, epilepsy and cerebral calcification cellular video phone Central America central artery of Percheron central cord syndrome central hypoventilation, congenital central nervous system, infection of central pontine myelinolysis central retinal artery occlusion central serous chorioretinitis central venous catheter cephalosporins cerebellar ataxia, autosomal recessive cerebellar ataxia, children cerebellar ataxia, hereditary cerebellar atrophy, 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hypoperfusion cerebral infarction cerebral infarction, hemorrhagic cerebral infarction, septic cerebral infarction, small, deep cerebral infarction, subcortical cerebral ischemia cerebral ischemia, pathogenesis of cerebral palsy cerebral palsy, associated problems with cerebral palsy, etiology cerebral palsy, risk factors cerebral palsy, work up cerebral perfusioin cerebral perfusion pressure cerebral vasculature cerebral veins cerebral venous infarction cerebral venous thrombosis cerebral venous thrombosis, deep cerebral venous thrombosis, etiology cerebral venous thrombosis, recurrent cerebritis cerebro hepato renal syndrome cerebrospinal fluid cerebrospinal fluid venous fistula cerebrospinal fluid, abnormal cerebrospinal fluid, beta-D-glucan cerebrospinal fluid, biochemical markers of CNS tumors cerebrospinal fluid, cell count, normal cerebrospinal fluid, childhood cerebrospinal fluid, culture negative cerebrospinal fluid, culture of cerebrospinal fluid, culture of, viral 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cervical spine injury, treatment of cervical spine manipulation cervical spondylosis cervical spondylosis, differential diagnosis of cervical spondylosis, misdiagnosis cervical traction cesarean section CHADS-VaSC score Chagas'disease CHANCE Trial channelopathy Charcot-Marie-Tooth CHARISMA chatbots checklists chelation therapy chemical meningitis chemical weapons chemosis chemotherapy, CNS treatment and complications with chemotherapy, intra-arterial cherry red spot cherry red spot-myoclonus syndrome chest pain chest x-ray chest x-ray, abnormal chewing movements child abuse children chills China chiropractic manipulation chiropractic manipulation, neurologic complications with chlorambucil chlordiazepoxide chloride channel dysfunction chlorine chloroquine chlorpromazine CHOICE trial choking cholelithiasis cholestanol cholesterol cholesterol, HDL cholesterol, LDL cholinergic crisis chordoma chorea chorea, causes of chorea, Sydenham's chorea, treatment of choreoathetosis chorioretinitis choroid plexus choroid plexus, enhancement chromophobe adenoma chromosomal abnormality chromosome 12 chromosome 14 chromosome 17 chromosome 19 chromosome 2 chromosome 3 chromosome 5 chromosome 9 chronic fatigue syndrome chronic graft versus host disease chronic paroxysmal hemicrania chronic progressive external ophthalmoplegia Churg-Strauss syndrome chymopapain cigarette smoking ciguatera poisoning cilostazol cingulotomy ciprofloxacin ciraparantag circadian rhythm circle of Willis cirrhosis cisterna magna cisternogram, radionuclide citicoline cladribine claudication, extremity claudication, intermittent of cauda equina cleft lip climate change clinical mismatch Clinical Pathologic Conference(C.P.C.) clinical trials clivus clobazam clofibrate clomipramine clonazepam clonidine cloning clonus clopidogrel clostridium defficile infection CLOSURE I trial clot histology clot length clot retrieval clozapine clubbing of fingers clubfoot as related to neurologic disease cluneal neuralgia cluster headache cluster headache, pathogenesis cluster, geographic CO 2 in cerebral vascular disease coagulopathy coagumeter cocaine coccidioidomycosis cochlear implant Cockayne's syndrome Code ICH codeine coenzyme Q10 coenzyme Q10 deficiency Cogan's syndrome cognition cognition, slowed cognitive enhancement cognitive-motor dissociation coinfection colchicine cold intolerance collagen vascular disease collapsin response mediator protein 5 IgG collateral circulation Collier's sign colloid cyst colonoscopy color desaturation coma coma, causes of coma, episodic coma, management of coma, medically induced coma, prognosis of Community hospital comorbidities compartment syndrome compartment syndrome, medial brachial fascial compazine competency complementary medicine complete blood count complex regional pain syndrome compliance complications compounded drugs compression fracture compression neuropathy compulsivity computers, handheld computers, medicine and computers, neurologic diagnosis and concentration, impaired concentric sclerosis concerta concussion concussion, recurrent concussive convulsions conduction block confabulation conflict of interest confusion confusional state, acute congenital birth defects congenital heart disease congenital infection, CNS congenital infection, viral congenital malformation congenital malformation, non CNS congenital myasthenic syndromes congestive heart failure conjugate gaze, forced conjunctival engorgement conjunctival injection conjunctivitis consanguinity constipation contactin associated protein like 2 antibodies contractures, joint contraindications contrast agent contrast agents, neurotoxicity of controversies in neurology contusion, cerebral conversion reaction conversion reaction, children cooling therapy cop 1 copper copper deficiency copper metabolism, abnormal coprolalia cordotomy cordotomy, percutaneous cornea, abnormal cornea, opacity of corneal reflex, abnormal corneal reflex, depressed corneal ulceration Cornelia de Lange syndrome coronary artery bypass coronary artery disease coronary thrombolysis coronavirus corpus callosotomy corpus callosum corpus callosum, infarction of corpus callosum, lesion of cortical blindness cortical dysplasia, focal cortical hemorrhage cortical infarction cortical infarction, small cortical resection cortical ribbon sign cortical vein thrombosis cortical-basal ganglionic degeneration cosmetic neurology cost cost effectiveness cough coumadin, eligibility for coumarin coumarin, failure of coumarin, restarting treatment coumarin, stopping treatment counselling COVID-19 COX-2 inhibitor CPAP cranial nerve enhancement cranial nerve palsies cranial nerve palsies, bilateral cranial nerves cranial nerves, vascular compression cranial neuropathy cranial neuropathy, etiology cranial neuropathy, multiple craniectomy, decompressive cranio-cervical junction craniopharyngioma Craniosynostosis craniotomy C-reactive protein C-reactive protein, elevated creatine kinase creatine phosphokinase(CPK)elevated creatinine, elevated CREST study CREST2 study critical care unit critical pathway crossed straight leg raising test cry, abnormal cry, high-pitched cry, weak crying crying, pathologic cryoablation cryofibrinogenemia cryoglobulinemia cryoprecipitate cryosurgery cryptococcal antigen cryptococcal meningitis cryptococcoma, cerebral cryptococcosis cryptorchidism cubital tunnel syndrome cultured skin fibroblasts curcumin Cushing's syndrome cyanide poison cyanosis cyclandelate cyclic vomiting cyclic vomiting syndrome cycling cyclophosphamide cyclosporine cyproheptidine cyst cyst, peritumoral cyst, arachnoid cyst, arachnoid, spinal cyst, bone cyst, cortical parenchyma cyst, epidermoid of CNS cyst, neoplastic cerebellum cyst, parenchymal cyst, ventricular cysticercosis cysticercosis, cerebral cysticercosis, intraventricular cysticercosis, spinal cysticercosis, subarachnoid cytochrome c oxidase cytokines cytomegalovirus infection cytoreductive surgery dabigatran dabigatran, dose daclizumab Dalrymple's sign danaproid Dandy Walker malformation dantrolene sodium DAWN stroke trial D-dimer deafness deafness, bilateral deafness, congenital deafness, sudden deafness, unilateral decerebrate posture decerebrate Posture, unilateral decision aids decision analysis decompression sickness decompressive spinal cord surgery decontamination decorticate posture deep gray nuclei deep learning deep tendon reflexes defecation defibrase defibrillator, implanted DEFUSE study degenerative cervical myelopathy degenerative diseases of CNS dehydration delay in diagnosis delirium delirium, work up for delivery, complicated delusion dementia dementia, advanced dementia, age at onset dementia, cerebrovascular disease causing dementia, childhood dementia, diagnostic classification dementia, diagnostic evaluation of dementia, differential diagnosis of dementia, frontotemporal dementia, presenile dementia, prevention of dementia, rapidly progressive dementia, reversible dementia, subcortical dementia, thalamic dementia, treatment of dementia, unknown etiology demyelinating disease denial of blindness(Antons syndrome) denial of illness dense basilar artery sign dense middle cerebral artery sign dense posterior cerebral artery sign dental abscess dental diastema dental extraction dental malocclusion dental procedure, neurologic complications with dental prostheses dentate nuclei dentate nuclei, lesion of dentatorubral-pallidoluysian atrophy denture cream deprenyl deprescribing depression dermatitis dermatomyositis dermatomyositis, childhood desipramine desmoteplase DESTINY detoxification developmental abnormality of brain developmental disability developmental evaluation developmental milestones, loss of developmental retardation developmental venous anomalies dexamethasone suppression test dexterity, impaired dextran dextrose DHE diabetes dialysis basal ganglia syndrome diabetes insipidus diabetes mellitus diabetes mellitus, neurologic manifestations of diabetic amyotrophy diabetic mononeuropathy diagnosis related group diagnostic criteria dialysis diaphragmatic paralysis diarrhea diarrhea, bloody diathermy diazepam rectal gel dichlorphenamide dideoxyinosine diencephalon diet dietary supplement dieting differential diagnosis difficulty climbing stairs diffuse idiopathic skeletal hyperostosis digital neuropathy digital subtraction angiography dilantin dilantin, factors influencing metabolism of dilantin, hypersensitivity to dilantin, intravenous dilantin, serum level dilantin, toxicity diphosphonates diphtheria diplegia, brachial diplopia diplopia, vertical dipyridamole disability rating scale, neurological disability, neurological discectomy discectomy, lumbar discitis disease modifying agents disorientation disseminated intravascular coagulation(DIC) dissociated sensory loss dissociative disorder distal muscle atrophy distal muscle weakness diuretic diurnal variation diving dizziness dizziness, causes of dizziness, chronic DNA probes do not resuscitate doll's head maneuver donepezil door to imaging time door to needle time door to reperfusion time door to treatment time dopa responsive dystonia dopamine agonist dopamine antagonist dopamine depleting agents dopamine receptor dopamine receptor, D2 doppler doppler, transcranial dorsal column stimulator down-beat nystagmus downward deviation of eyes downward gaze doxycycline DPPX DPPX, antibodies DPPX, antibodies, encephalitis Dravet syndrome drip and ship Driver's license driving driving restrictions dronedarone drooling drop attacks dropped head syndrome drowning drowsiness drug abuse drug abuse, adolescent drug abuse, neurologic complications of drug abuse, toxic screen In drug addiction drug dependence drug induced neurologic disorders drug induced neurologic disorders in children drug interactions drug of choice drug overdose drug overdose, management of drug resistant bacteria drug withdrawal duloxetine duplex ultrasound Dupuytren's contractures dural arteriovenous malformation dural sinus stenosis dural sinus thrombosis dural tear dural venous sinus Durett hemorrhages dying dysarthria dysarthria-clumsy hand syndrome dysdiadochokinesia dysembryoplastic neuroepithelial tumor dysgeusia dyskinesia dyskinesia, buccal lingual facial dyskinesia, drug induced dyskinesia, facial dyslexia dysmetria dysmorphic dysnomia dysostosis multiplex dyspepsia dysphagia dysphasia dyspnea dyspraxia dysthyroid ocularmyopathy dysthyroidism dystonia dystonia musculorum deformens dystonia, cervical dystonia, children dystonia, classification dystonia, drug induced dystonia, etiology of dystonia, evaluation of dystonia, face dystonia, focal dystonia, painful dystonia, post traumatic dystonia, prevalence of dystonia, segmental dystonia, symptomatic dystonia, treatment of dystonia, truncal dystonic reaction, acute dystonic tremor dystroglycanopathies dystrophic calcification dystrophin DYT1 mutation ear, clicking of ear, fullness ear, numbness ear, pain in ear, red eating disorder ECASS study Echinacea echocardiogram echocardiogram, contrast echocardiogram, LVH echocardiogram, transesophageal echocardiogram, transesophageal, false negative echocardiogram, transthoracic echocardiogram, transthoracic, false negative echoencephalogram echolalia eclampsia ecstasy ectopic pinealoma eculizumab eczema edema, facial edema, pedal edema, periorbital edoxaban educational status efficacy efgartigimod alfa Ehlers-Danlos syndrome Ehlers-Danlos syndrome, classification ejection fraction ejection fraction, abnormal El Salvador electrical stimulation electrical stimulation, spinal nerves electrocardiogram, abnormal electrocardiogram, loop electrocoagulation electroconvulsive therapy electrocorticogram electroencephalogram electroencephalogram, abnormalities of electroencephalogram, ambulatory cassette monitoring electroencephalogram, focal delta activity electroencephalogram, interictal electroencephalogram, monitoring, continuous electroencephalogram, pediatric patients electroencephalogram, periodic complexes electroencephalogram, sleep electroencephalogram, telemetric electroencephalogram, video monitoring with electrogustometry electrolyte imbalance electromyogram electromyogram, decremental response electron microscopy electronystagmography electronystagmography, abnormal electrophoretic pattern, serum electroretinograph eletriptan ELISA embolic stroke of unknown source embolism embolism, air embolism, aortic embolism, atheromatous embolism, calcified embolism, cholesterol embolism, fat embolism, paradoxical embolism, platelet embolism, retinal embolism, septic embolism, silent embolism, source of embolism, systemic embolism, vertebral-basilar artery embolization, therapeutic embolization, therapeutic, coils embolization, therapeutic, complications emergencies, medical emergencies, neurologic emergencies, neurosurgical emergencies, ocular emergency medical technicians emergency physician emergency room emergency room, treatment of stroke Emery-Dreifuss muscular dystrophy emotional lability employment empty sella empty sella syndrome empyema, epidural empyema, epidural-spinal empyema, subdural encephalitis encephalitis, acute encephalitis, autoimmune encephalitis, bacterial encephalitis, brainstem encephalitis, clinical picture and treatment of encephalitis, deer tick encephalitis, diagnosis of encephalitis, etiology encephalitis, focal encephalitis, human immunodeficiency virus type 1 encephalitis, Japanese encephalitis, Murray Valley encephalitis, paraneoplastic encephalitis, Powassan encephalitis, Rasmussen's encephalitis, recurrent encephalitis, sequelae in encephalitis, St.Louis encephalitis, unknown etiology encephalitis, viral encephalitis, viral-causes of encephalocele encephalomyelitis encephalomyelitis, postinfectious encephalomyopathy encephalopathy encephalopathy, anoxic encephalopathy, Hashimoto's encephalopathy, metabolic encephalopathy, neonatal encephalopathy, parainfectious encephalopathy, post anoxic encephalopathy, post traumatic encephalopathy, progressive encephalopathy, septic endarterectomy, carotid endarterectomy, carotid-complications of endarterectomy, carotid-contralateral carotid occlusion-stenosis endarterectomy, carotid-emergent endarterectomy, carotid-indications for endarterectomy, carotid-long term results endarterectomy, carotid-monitoring complications of endarterectomy, carotid-morbidity and mortality with endarterectomy, carotid-prophylactic endarterectomy, carotid-timing after stroke endarterectomy, carotid-volume endemic area endocarditis endocarditis, acute bacterial endocarditis, infectious endocarditis, Libman-Sacks endocarditis, marantic endocarditis, neurologic manifestations with endocarditis, prophylaxis endocarditis, subacute bacterial endocarditis, treatment of endolymphatic sac tumors endometriosis endoscopic surgery endoscopy endovascular photoacoustic recanalization endovascular therapy endovascular therapy, futile interhospital transfer endovascular therapy, late time window endovascular therapy, selection criteria endovascular therapy, time window enolase enoxaparin ENRICH trial entacapone enterovirus enterovirus infection of CNS entrapment neuropathy enzyme inhibition enzyme treatment enzyme, defect enzyme, induction enzyme, muscle disease enzyme, serum eosinophilia eosinophilia-myalgia syndrome eosinophilic fasciitis ependymitis ependymoma ephedrine epidemic epidemiology of neurology epidermoid epidural blood patch epidural steroid epilepsia partialis continua epilepsy epilepsy referral centers epileptic encephalopathy epileptologist episcleritis episodic disorders episodic neurologic deficits episodic paroxysmal hemicrania epistaxis epistaxis, recurrent EPITHET trial Epley maneuver Epstein-Barr virus eptinezumab erectile dysfunction erenumab ergonomics ergonovine ergotamine erythema migrans erythema nodosum erythroderma erythromelalgia erythromycin ESCAPE trial escherichia coli esophageal varices ESPRIT etanercept ethambutol ethamsylate ethics in neurology Europe euthanasia everolimus evidence-based research evoked potentials excedrin extra-strength excitotoxin executive dysfunction exercise exercise intolerance exercise-induced neurologic dysfunction exome sequencing exophthalmus exophthalmus, pulsatile Exserohilum rostratum EXTEND trial extension-flexion injury of cervical spine external carotid artery, disease external lumbar drainage extracorporeal membrane oxygenation extracranial-intracranial arterial bypass extralimbic encephalitis extraocular muscle enlargement extrapyramidal extubation, terminal eye closure eye movement, disorders of eye movement, painful eye, lymphoma of eye, pain in eyelid opening, difficulty with eyes, sunken ezetimibe Fabry's disease face, numbness of facial anomalies facial appearance, abnormal facial asymmetry facial expression abnormality facial movement disorder facial nerve facial nerve palsy facial nerve palsy, bilateral facial nerve palsy, causes of facial nerve palsy, prognosis of facial nerve palsy, recurrent facial nerve palsy, surgical treatment facial nerve palsy, treatment of facial nerve, lesion of facial nevus facial pain facial pain, atypical facial sweating, unilateral facial weakness facial weakness, bilateral faciobrachial dystonic seizure Factor V Leiden factor V, deficiency factor VIII, elevated factor Xa inhibitor Fahr disease failed back syndrome failed medical management failure to thrive fall risk falling false negative false positive false positive VDRL falx cerebri falx syndrome familial family conference family satisfaction fasciculation fat redistribution fatigue fatty acid, elevated plasma content fear febrile infection-related epilepsy syndrome fecal impaction feeding disorder felbamate femoral artery catheterization femoral nerve femoral neuropathy femoral neuropathy, causes of ferritinemia fetal alcohol syndrome fetal distress fetal tissue fetus fever fever of unknown origin fibrate fibrillations fibrin glue fibrinogen depleting agents fibrinolytic agents fibrinolytic agents, repeated use fibrinolytic agents, combined IA and IV fibrinolytic agents, complications fibrinolytic agents, contraindications fibrinolytic agents, deterioration following fibrinolytic agents, discontinuation fibrinolytic agents, exclusion criteria fibrinolytic agents, intra-arterial local infusion fibrinolytic agents, intra-venous local infusion fibrinolytic agents, utilization fibrinolytic therapy, intraventricular fibrinolytic therapy, prehospital treatment fibrinolytic therapy, selection criteria fibrinolytic therapy, timing of administration fibroblast growth factor fibroma, ungual fibromuscular dysplasia fibromyalgia fiddleheads fine motor function, impaired finger flexor weakness finger numbness finger swelling finger weakness fingolimod first bite syndrome fish poisoning Fisher C.M. Fisher's syndrome fistula, arterio-venous fistula, arterio-venous, carotid-cavernous fistula, arterio-venous, dural fistula, arterio-venous, dural, classification fistula, arterio-venous, dural, spinal fistula, arterio-venous, pulmonary fistula, atrioesophageal fistula, perilymphatic flaccid paralysis flail arm syndrome flatulence flavivirus flexeril flick test floppy infant fluconazole fluctuate flucytosine fludrocortisone flu-like illness flumazenil flunarizine fluorescein angiography fluorescent treponema antibody absorption(FTA-ABS) fluorescent treponema antibody absorption/false positive fluoroquinolones fluoxetine flushing flushing, unilateral fluvoxamine foam cells folic acid folic acid deficiency follicle stimulating hormone fontanel, bulging food poisoning foot deformity foot drop foot numbness football neurologic injuries forceps delivery foreign body reaction forensic neurology fornix, lesion of fortification spectra foscarnet fosphenytoin fourth ventricle, cyst fracture, long bone fracture, long bones, nerve injury with fracture, pathologic Fragile-X associated tremor/ataxia-syndrome fragile-X syndrome fragile-X syndrome, carrier frataxin fraxiparin fremanezumab fresh frozen plasma Friedreich's ataxia Friedreich's ataxia, late onset frontal lobe status frontal lobe, behavior with disease of frontal lobe, pathologic signs of frovatriptan fucosidosis fumarate fundus, abnormality of funduscopic exam fungal infection fungal infection, CNS fungal infection, CNS, treatment of fusiarum solani meningitis fusiform gyrus F-wave response gabapentin gadolinium gag reflex, depressed gait disorder gait training gait, apraxic gait, magnetic gait, waddling galactorrhea galantamine galcanezumab gallium scan gamma amino butyric acid gamma amino butyric acid receptor antibody gamma amino butyric acid-mimetic drug gamma knife therapy gammaglobulin therapy, intravenous ganciclovir ganglioglioma ganglionitis gangliosides gangliosidosis GM1 gangliosidosis GM2 gangrene gantenerumab gardener gasping gastrectomy, neurologic complications following gastric partitioning gastric surgery gastroenteritis gastrointestinal bleeding gastrointestinal disease, neurologic complications gastrointestinal perforation gastroparesis gastrostomy gastrostomy, percutaneous endoscopic Gaucher's disease gaze deviation gaze palsy gaze palsy, horizontal gaze palsy, horizontal-bilateral gaze palsy, supranuclear gaze palsy, vertical gemfibrozil gender gene gene mutation gene therapy general paresis of the insane Generative Pretrained Transformer 4 generic drugs genetic counselling genetic diagnosis genetic diagnosis, prenatal genetic linkage genetic neurologic disorders genetic screening genetic testing genital ulcerations genotype geographic location Gerstmann syndrome gests antagoniste GFAP-IgG giant cell arteritis Gilles de la Tourette syndrome Gilles de la Tourette syndrome, deep brain stimulation Gilles de la Tourette syndrome, deep brain stimulation, selection criteria gingival hyperplasia ginkgo biloba ginseng girdle sensation give-way weakness Glasgow coma score glaucoma Gliadel Wafers gliadin antibodies glioblastoma multiforme(astrocytoma Gr.III) glioblatoma multiforme (astrocytoma Gr.III), etiology glioma glioma, low-grade gliomatosis cerebri globus pallidus globus pallidus, lesion of globus pallidus, lesion of, bilateral globus pallidus, stimulation glomerular filtration rate glossitis glossopharyngeal neuralgia glucagon-like peptide-1 glucosamine glucose level, serum glucose tolerance test, abnormal GLUT1 deficiency syndrome glutamic acid glutamic acid decarboxylase, antibody glutaric acidemia gluten-free diet glycemic control glycerol glycerol injection glycine receptor antibodies glycoprotein glycosyltransferase GM antigen test GM1 ganglioside GM1 ganglioside antibodies goiter GOLIATH trial good Samaritan Gowers maneuver Gradenigo's syndrome gram negative rod gram positive rod grandiosity granular osmiphilic material granuloma, eosinophilic granulomatosis with polyangiitis granulomatous disease grasp reflex Graves ophthalmopathy gray hair gray matter greater auricular nerve greater occipital nerve grimacing groin pain growth hormone growth hormone antagonist growth hormone deficiency growth retardation guanethidine guanfacine Guatemala Guillain Barre syndrome Guillain Barre syndrome, axonal form Guillain Barre syndrome, cardiovascular complications Guillain Barre syndrome, complications Guillain Barre syndrome, differential diagnosis of Guillain Barre syndrome, etiology of Guillain Barre syndrome, infantile and childhood form Guillain Barre syndrome, neuropathology of inflammatory lesion of Guillain Barre syndrome, ophthalmoplegia in Guillain Barre syndrome, postural hypotension in Guillain Barre syndrome, prognosis of Guillain Barre syndrome, sensory Guillain Barre syndrome, variant forms of gynecomastia gyral infarct gyrus, abnormal Hallervorden Spatz disease hallucination hallucination, hypnagogic hallucination, visual haloperidol hamartin hamartoma hammertoes hand clapping hand deformity hand injury hand numbness hand swelling hand weakness hand wringing hand-arm vibration syndrome hands, large handwriting hangmans fracture harlequin syndrome HAS-BLED score head bobbing head circumference and brain development head injury head injury, cranial nerves involved in head injury, evaluation of head injury, hydrocephalus following head injury, management of head injury, mild head injury, pathophysiology of head injury, pediatric head injury, prevention head injury, prognosis in head injury, return to play following head injury, severe head nodding head turning headache headache, awakened by headache, children headache, chronic headache, chronic daily headache, classification headache, continuous headache, differential diagnosis of headache, drug induced headache, elderly headache, emergency headache, episodic headache, etiology of headache, evaluation of headache, exertional headache, hypnic headache, intractable headache, new onset headache, occipital headache, paroxysmal headache, pathophysiology headache, persistent headache, positional headache, post traumatic headache, postpartum headache, precipitating factors headache, prophylaxis headache, rebound headache, recurrent headache, retro-orbital headache, severe headache, sinus headache, sudden onset of headache, thunderclap headache, treatment failure headache, treatment of headache, unilateral headache, withdrawal headache, worst of life health care reform health insurance hearing loss hearing loss, bilateral hearing loss, sudden, bilateral hearing loss, sudden, unilateral heart block heart block, complete heart murmur heart valve surgery heart valve, prosthetic heart valve, prosthetic, bioprosthetic heart valve, prosthetic, mechanical heart valve, prosthetic, thrombosis heart valve, repair heart wall motion dysfunction heat intolerance heatstroke heavy charged particle radiation heliotrope rash helium beam therapy helmets helminthic infection of CNS hemangioblastoma hemangioma hemangioma, facial hemangioma, leptomeningeal hemangioma, skin hematoma, epidural-cranial hematoma, epidural-spinal hematoma, intracerebral hematomyelia hematuria, gross hematuria, microscopic hemianopia hemianopia, homonymous hemiatrophy, cerebral hemiballismus hemichorea hemicrania continua hemifacial spasm hemiparesis hemiplegia hemiplegia, progressive hemispherectomy hemodilution hemodynamics, regional after stroke hemoglobin A1c hemoglobin abnormality, neurologic complications of hemoglobinuria hemolysis hemolytic-uremic syndrome hemopericardium hemophagocytic lymphohistiocytosis hemophilia hemophilus influenza hemophilus influenza vaccine hemoptysis hemorrhage, intracranial, newborn hemorrhage, periventricular hemorrhage, putamenal hemorrhage, thalamic hemorrhagic diathesis hemorrhoidectomy hemorrhoids hemosiderin hemosiderosis of CNS, superficial hemosiderosis, subarachnoid hemostatic therapy Henoch-Schonlein purpura heparin heparin, failure of heparin, low-molecular-weight heparin, subcutaneous heparinoid, low molecular weight hepatic encephalopathy hepatic encephalopathy, treatment of hepatic failure hepatitis hepatitis C virus hepatolenticular degeneration(Wilson's disease) hepatolenticular degeneration(Wilson's disease), presymptomatic hepatolenticular degeneration(Wilson's disease), screening for hepatomegaly hepatosplenomegaly heprain induced thrombocytopenia heralding manifestation herbs hereditary hemorrhagic telangiectasia(HHT) HERMES herniated disc herniated disc, central herniated disc, cervical herniated disc, differential diagnosis of herniated disc, lumbar herniated disc, lumbar-conservative vs.surgical treat.of herniated disc, lumbar-laminectomy herniated disc, steroid treatment of herniated disc, thoracic herniation syndromes, intracranial herpes encephalitis herpes labialis herpes simplex encephalitis herpes simplex encephalitis, atypical herpes simplex encephalitis, chronic herpes simplex encephalitis, diagnosis of herpes simplex encephalitis, prognosis of herpes simplex encephalitis, recurrent herpes simplex encephalitis, treatment of herpes simplex virus herpes simplex virus infection, immunosuppressed patient herpes simplex virus infection, newborn herpes simplex virus, human nervous system and herpes simplex virus, localization of herpes simplex virus, pathogenesis of herpes simplex, neurocutaneous lesions in herpes virus herpes virus infection herpes zoster herpes zoster, vaccine herpes, genital hetastarch heterotopia Heubner's artery hexobendine hiccoughs high altitude sickness high arched feet high arched palate highly active antiretroviral therapy hip abductor sign hip arthroplasty hip disease hip flexor weakness hip fracture hip pain hippocampal atrophy hippocampal infarction hippocampus hippocampus, hyperintense hirsutism hirudin Hispanics histamine-2 receptor blockers histiocytosis histopathology histoplasmosis history of neurology HLA HMGcoA reductase inhibitors hoarding hoarseness hockey Hodgkin's disease Hodgkin's disease, neurologic involvement with Hoesch test Hollenhorst plaque Holter monitoring home management homocysteine, serum homocystinuria homonymous hemianopia, treatment of homosexual Honduras Hoover's sign hormone replacement hormone therapy Horner's syndrome hospice hospital length of stay hospitalist hospitalization hot bath test hot carotid Howell-Jolly bodies H-reflex testing human diploid cell rabies vaccine human herpesvirus 6 human immunodeficiency virus type 1 human immunodeficiency virus type 1, acute infection human immunodeficiency virus type 1, asymptomatic human immunodeficiency virus type 1, pathogenesis human immunodeficiency virus type 1, testing human T-lymphotropic virus type I(HTLV-I) hunger Huntington's chorea Huntington's chorea, genetic counselling huperzine A hydergine hydrocephalus hydrocephalus, complications with hydrocephalus, congenital hydrocephalus, fetal hydrocephalus, non-communicating(obstructive) hydrocephalus, normal pressure hydrocephalus, normal pressure, etiology hydrocephalus, transient hydrocephalus, treatment of hydroxyurea hyperactivity hyperalimentation hyperamylasemia hyperbaric oxygen hyperbaric treatment hyperbilirubinemia hyperbilirubinemia, CNS abnormality after hypercalcemia hypercapnia hypercholesterolemia hypercoagulable state hyperekplexia hyperemisis gravidarum hyperesthesia hyperextension injury hyperglycemia hyperhidrosis hyperhidrosis, palmar hyperhomocysteinemia hyperintense vessel sign hyperkalemia hyperkalemic periodic paralysis hyperlipidemia hyperlipoproteinemia hyperosmolality hyperperfusion syndrome hyperpigmentation of skin hyperreflexia hypersegmented polys hypersensitivity reaction hypersomnia hypertension hypertension, cerebrovascular disease with hypertensive crisis hypertensive encephalopathy hypertensive retinopathy hyperthermia hyperthyroidism hypertonia hypertonic saline hypertrichosis hypertriglyceridemia hypertrophic cardiomyopathy hypertrophic intracranial pachymeningitis hypertrophic pachymeningitis, IgG4 related disease hypertrophy, ventricular hyperventilation hyperviscosity hyperviscosity syndrome hypoalbuminemia hypocretin hypoglossal nerve paralysis hypoglycemia hypoglycemic coma hypoglycorrhachia hypogonadism hypokalemia hypokalemic periodic paralysis hypokinetic left ventricle hypomagnesemia hyponatremia hyponatremia with cerebral disorders hyponatremic encephalopathy hypophonia hypopigmentation of skin hypopituitarism hypopnea hypopyon hyporeflexia hyposmia hypotension, systemic hypothalamus hypothalamus, disturbance of hypothalamus, lesion of hypothermia hypothermia, causes of hypothyroidism hypotonia hypotonia, infants hypoxia hypoxia, newborn hypoxic encephalopathy hypoxic-ischemic leukoencephalopathy hypsarrhythmia iatrogenic neurologic disorders ibuprofen ictal asystole idarucizumab ideomotor apraxia idiopathic cranial polyneuropathy idiopathic hypertrophic subaortic stenosis idiopathic inflammatory myopathy idiopathic midline granuloma IFA IgG4, serum IgG4-related disease imbalance imbalance, postural imipramine immune checkpoint inhibitors immune effector cell-associated neurotoxicity syndrome immune reconstitution inflammatory syndrome immune reconstitution inflammatory syndrome, paradoxical immune reconstitution inflammatory syndrome, unmasked immune-related adverse events immunization, neurologic complications with immunocompetent immunodeficiency immunoelectrophoresis, serum immunohistochemistry immunologic disease immunology and the nervous system immunomodulation immunosuppression immunosuppressive agents immunotherapy implantable cardiac loop recording device implantable cardioverter defibrillator impotence impulsivity in situ hybridization inappropriate antidiuretic(A.D.H.)hormone inappropriate antidiuretic(A.D.H.)hormone, CNS involvement with inappropriate behavior inattention inborn errors of metabolism inborn errors of metabolism, screening incidence incidental finding inclusion bodies inclusion bodies, eosinophilic cytoplasmic inclusion bodies, eosinophilic intranuclear inclusion bodies, intracytopasmic inclusion bodies, intranuclear inclusion body myositis incontinence, fecal incoordination indapamide Index medicus India indinavir indomethacin industrial neurologic disorders inebilizumab infant, evaluation of infantile hemiplegia infantile spasm infarct core infection infection, recurrent inferior colliculus inferior vena cava filter infertility inflammatory disease, arteries infliximab influenza immunization information technology informed consent infraspinatus muscle in-hospital injection neuropathy injection, intramuscular inline skating INR value, time in range INR values insantiy insect repellent insomnia institutional review board insular cortex insulin insulin like growth factor 1 intellectual deficit intellectual deterioration intelligence quotient interferon interferon alpha interferon antibodies interferon beta 1-a interferon beta 1-b interferon gamma interleukin 6 interleukin 6 receptor inhibitor intermittent positive pressure breathing internal capsule internal carotid artery internal cerebral vein internet internuclear ophthalmoplegia internuclear ophthalmoplegia, bilateral internuclear ophthalmoplegia, unilateral interobserver agreement interosseous muscles interstitial pulmonary fibrosis intestinal biopsy intestinal pseudoobstruction intraaortic balloon pump intraarterial balloon embolization intracardiac device intracardiac electrophysiologic testing intracerebral hemorrhage intracerebral hemorrhage, awakening with intracerebral hemorrhage, bilateral intracerebral hemorrhage, causes of intracerebral hemorrhage, clot evacuation intracerebral hemorrhage, differential diagnosis of intracerebral hemorrhage, incidence of intracerebral hemorrhage, lobar intracerebral hemorrhage, location of intracerebral hemorrhage, medical management intracerebral hemorrhage, multiple 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viral intrauterine infection, viral of CNS intravascular volume expansion intravenous intravenous drug abuse intravenous line intraventricular catheter intraventricular chemotherapy intraventricular hemorrhage intraventricular hemorrhage, clot evacuation intraventricular hemorrhage, primary intraventricular hemorrhage, treatment intrinsic hand muscles intrinsic hand muscles, wasting of intubation invasive procedure ipilimumab Irbesartan iridocyclitis iridoplegia iris, abnormal iritis iron supplementation iron, brain iron, serum, elevated irritability ischemic core ischemic penumbra ivy sign JAK2 V617F mutation Jakob-Creutzfeldt disease Jakob-Creutzfeldt disease, variant Janeway spots Japan jaundice jaw claudication jaw jerk, abnormal JC virus Jefferson fracture joint hypermobility joint steroid injection jugular vein, thrombosis of juvenile myoclonus epilepsy Kaposi's sarcoma Kawasaki disease Kayser-Fleischer ring Kearns-Sayre syndrome keratitis keratitis, interstitial kernicterus Kernig's sign ketamine ketogenic diet Klinefelter's syndrome klippel feil syndrome Krabbe's disease kyphoscoliosis, neurologic causes of kyphosis labor, complicated laboratory values, normal labyrinth, disorder of labyrinthitis labyrinthitis, acute lacrimal gland enlargement lacrimation lactate lactic acidemia lactic dehydrogenase(LDH) lacunar infarction lacunar infarction, differential diagnosis of lacunar infarction, stuttering lacunar syndrome Lafora body Lafora's disease laminectomy laminectomy, cervical laminectomy, lumbar lamotrigine Landau-Kleffner syndrome language delay language development, neurologic basis of language disorders in children lanreotide laquinimod large artery disease Lasegues sign laser nucleolysis lateral sinus thrombosis laterocollis lateropulsion Latin America laughing, pathologic Laurence-Moon-Bardet-Biedl syndrome lawsuit L-dopa L-dopa, controlled release L-dopa, drug interactions with and side effects of lead and the nervous system lead poisoning learning disability learning disability, in children Leber's hereditary optic neuropathy lecanemab lecithin Ledderhose disease left atrial appendage left atrial appendage, percutaneous closure left handedness left ventricular aneurysm left ventricular assist device left ventricular dysfunction left-right orientation leg atrophy leg numbness leg spasms leg spasms, painful leg weakness, bilateral leg weakness, unilateral Leigh's disease leiomyoma, uterine Lennox-Gastaut syndrome lens, dislocation of lenticular nucleus, lesion of lenticular nucleus, lesion of, bilateral lenticulostriate arteries leprosy leptospirosis Lesch-Nyhan syndrome lethargy leucine rich glioma inactivated 1 antibodies leukemia leukemia, neurologic findings assoc.with leukemia, prophylactic treatment of CNS leuko-araiosis leukocyte alkaline phosphotase leukocyte enzyme abnormality leukocytosis leukodystrophy leukoencephalitis leukoencephalopathy leukopenia leukostasis level of consciousness level of consciousness, decreased level of consciousness, fluctuating levetiracetam levonorgestrel Lewy body Lewy body disease, diffuse Lhermitte's sign libido libido, decreased lid lid abnormalities lid closure, weakness of lid lag lid twitch lidocaine lidocaine, intravenous lidocaine, patch lidocaine, topical life expectancy life support, withdrawal of life support, withholding of life sustaining treatment lifestyle lifestyle ligamentum flavum ligamentum flavum, ossification of lightheaded limbic encephalitis limbic system linear accelerator lip, thickening lipid lowering agent lipid storage disorder of CNS lipid storage myopathy lipids lipomatosis, epidural lipoprotein receptor-related protein 4 lipoproteins listeria monocytogenes listeriosis, CNS lisuride lithium livedo reticularis liver disease liver function enzymes liver nodules liver transplantation lobar atrophy locked-in syndrome locus ceruleus, lesion of lollipop sign long bone lesion lorazepam lordosis Lorenzo's oil lovastatin low back pain low back pain, chronic low back pain, cost of low back pain, differential diagnosis of low back pain, risk factors for low back pain, sudden severe low birth weight L-tryptophan lubeluzole lumbar canal, stenosis of lumbar drain lumbar puncture lumbar puncture, complications of lumbar puncture, delayed lumbar puncture, fluoroscopy guided lumbar puncture, indications for lumbar puncture, repeated lumbar spine manipulation lumbosacral plexopathy lumbosacral plexus lumbosacral plexus, neuritis lumbosacral radiculopathy lumbosacral radiculoplexopathy lumbrical muscles lung transplantation lupus anticoagulant luteinizing hormone Lyme disease Lyme disease, chronic lymph node biopsy lymphadenopathy lymphadenopathy, cervical lymphadenopathy, hilar lymphadenopathy, paraaortic lymphangiomyomatosis lymphocytic meningoradiculitis lymphoid adenohypophysitis lymphoma lymphoma involving CNS lymphoma, meningeal lymphoma, primary of CNS lymphoma, secondary of CNS lymphopenia lysosomal storage disease machine learning macrocephaly macroglobulinemia macrognathia macular degeneration macular degeneration, senile macular edema macular hemorrhage magnesium sulfate magnetic source image magnetic stimulation magnetic stimulation, brain magnetic susceptibility magnetoencephalography mailuoning malabsorption malabsorption syndrome malaise malaria malaria, cerebral malformation, CNS, congenital malformation, vascular malformation, vascular, cerebral malformation, vascular, cryptic malformation, vascular, dural malformation, vascular, screening for malformation, vascular, treatment of malformation, Vein of Galen malignancy screen malignancy, occult malignant external otitis malignant hyperpyrexia malignant hypertension malignant optic glioma of adulthood malignant papulosis malingering malpractice managed care mania manic-depressive mannitol manometric testing of C.S.F. maple syrup urine disease Marchiafava-Bignami disease Marcus Gunn pupil Marfan syndrome marihuana martial arts masked facies MASS mastoiditis MATCH trial Maze procedure McDonald criteria for MS medial branch block medial medullary syndrome median nerve median nerve, lesion of median neuropathy mediastinum, mass of medical app medical errors medical student education medical-legal aspects of neurology medicare medication error medication withdrawal medulla oblongata medulla oblongata, infarction of medulla oblongata, lesion of medulla oblongata, neoplasm of medullary streaks medullary veins medulloblastoma megalencephaly MEK inhibitor melanoma, malignant MELAS syndrome melatonin melioidosis Melkersson's syndrome memantine memory memory enhancement memory, defect of recent memory, disorder, treatment of memory, evaluation of memory, impairment of memory, impairment of, subjective Meniere's disease meningeal biopsy meningeal enhancement meningeal enhancement, nodular meningeal gliomatosis meningioma meningioma, site of origin meningismus meningitis meningitis, adults meningitis, age of onset meningitis, 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monocytogenes meningitis, lymphomatous meningitis, meningococcal meningitis, neurologic aspects and complications of meningitis, neutrophilic meningitis, neutrophilic, persistent meningitis, newborn meningitis, nocardia meningitis, noninfectious meningitis, parameningeal meningitis, parasitic meningitis, pathophysiology meningitis, pneumococcal meningitis, postoperative neurosurgical meningitis, predisposing factors in meningitis, prevention meningitis, prophylaxis against meningitis, recurrent meningitis, seizures with meningitis, spinal fluid smear and culture of meningitis, spinal fluid smear and culture-negative meningitis, staphylococcus meningitis, syphilitic meningitis, TB meningitis, TB, paradoxical progression of tuberculoma in treat of meningitis, treatment of meningitis, treatment of, empirical meningitis, viral etiology in meningitis-encephalitis PCR panel meningocele meningoencephalitis meningoencephalitis, amoebic meningoencephalitis, hemorrhagic meningoencephalomyelitis meningomyelitis meningovascular syphilis menopause menses menses, irregular menses, seizure with mental activity mental retardation mental status, abnormal mental status, evaluation of meperidine mephenytoin meralgia paresthetica MERCI trial merlin MERRF syndrome mesencephalotomy mesial temporal lobe mesial temporal sclerosis mesial temporal sclerosis, bilateral mestinon metabolic acidosis metabolic change after ischemic cerebral infarct metabolic disorder, primary metabolic disorder, primary-screening tests metachromatic leukodystrophy metal allergy metallic taste metformin methadone methicillin resistant staphylococcus aureus methotrexate methylmalonic acid, serum methylmalonic acidemia methysergide metoclopramide metoprolol metrifonate metronidazole Mexican Mexico mexiletine microangiopathic hemolytic anemia microangiopathy, brain microangiopathy, retina microcephaly microdialysis microdiscectomy microemboli microglial nodules microhemorrhage, intracerebral micropthalmia microscopic polyangiitis microsurgery microsurgery, transsphenoidal microvascular anastomosis, intracranial microvascular thrombi microvasculitis midazolam midbrain midbrain, atrophy midbrain, compression midbrain, infarction of middle cerebellar peduncle middle cerebellar peduncle, lesion middle cerebellar peduncle, lesion, bilateral middle cerebral artery middle cerebral artery atherosclerosis middle cerebral artery territory infarction middle cerebral artery territory infarction, malignant middle cerebral artery, branch occlusion middle cerebral artery, emboli to middle cerebral artery, occlusion of middle cerebral artery, stenosis of midodrine miglustat migraine migraine, children migraine, chronic migraine, cost of migraine, equivalents migraine, foods causing migraine, intractable migraine, menses migraine, pathogenesis migraine, pregnancy migraine, premonitory symptoms migraine, prophylaxis migraine, seizures in migraine, transformed migraine, treatment of migraine, triggers mild cognitive impairment mild cognitive impairment converting to Alzheimer's disease Mills syndrome mimics Mini Mental Status Examination minimally conscious state minimally invasive surgery minocycline miosis mirror therapy misdiagnosis mitochondrial disease mitochondrial encephalomyopathy mitoxantrone mitral annulus calcification mitral valve lesion mitral valve prolapse mitral valve regurgitation mitral valve stenosis mitral valve vegetation mixed connective tissue disease MNGIE syndrome mobile interventional stroke teams moclobemide modafinil molecular genetics molecular markers molybdenum cofactor deficiency mongolism Monkeypox infection monoamine oxidase inhibitors monoclonal antibodies monoclonal gammopathy monoclonal gammopathy of uncertain significance monomelic myositis mononeuritis multiplex mononeuropathy mononeuropathy multiplex mononeuropathy, sensory monoparesis mood change morphine mortality Morvan's fibrillary chorea mosquito motor dysfunction motor neuron disease Mount Fuji sign 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of, first attack multiple sclerosis, tumefactive multiple sclerosis, worsening multiple sleep latency test multiple subpial transection multiple system atrophy muscle atrophy, focal muscle atrophy, progressive muscle biopsy muscle cramp muscle diseases, characteristics of muscle pain muscle relaxant muscle spasm muscle stiffness muscle strength, testing muscle tenderness muscle wasting, diffuse muscle weakness muscle weakness, insidious onset of muscle weakness, pattern muscle weakness, proximal muscle weakness, sudden onset of muscular dystrophy muscular dystrophy, Becker muscular dystrophy, Becker, carrier muscular dystrophy, cardiovascular changes with muscular dystrophy, central nervous system abnormality muscular dystrophy, classification muscular dystrophy, congenital muscular dystrophy, differential diagnosis of muscular dystrophy, Duchenne muscular dystrophy, Duchenne, carrier muscular dystrophy, facioscapulohumeral muscular dystrophy, limb-girdle musicians MuSK antibodies myasthenia gravis myasthenia gravis, classification myasthenia gravis, complications myasthenia gravis, congenital myasthenia gravis, diagnosis myasthenia gravis, differential diagnosis myasthenia gravis, drug induced myasthenia gravis, drug resistant myasthenia gravis, etiology of myasthenia gravis, exacerbation myasthenia gravis, infantile and juvenile myasthenia gravis, misdiagnosis of myasthenia gravis, neonatal myasthenia gravis, neuromuscular junction in myasthenia gravis, ocular myasthenia gravis, paraneoplastic myasthenia gravis, precipitating factors myasthenia gravis, presenting manifestations myasthenia gravis, prognosis of myasthenia gravis, receptor site in myasthenia gravis, remission of myasthenia gravis, seronegative myasthenia gravis, thymectomy in myasthenia gravis, treatment of myasthenia gravis, unmasked myasthenia gravis, variants myasthenic crisis myasthenic syndrome myasthenic syndrome, treatment of mycobacterial infection mycobacterium avium-intracellulare mycobacterium bovis mycophenolate mycoplasma mycoplasma pneumoniae mycotic aneurysm myelin basic protein myelinolysis, extrapontine myelitis myelitis, longitudinal myelitis, transverse myelitis, transverse, idiopathic myelitis, transverse, prognosis myelitis, transverse, recurrent myelodysplasia myelogram myelogram, complications of myelogram, thoracic myeloma, osteosclerotic myelomalacia myelomeningocele myeloneuropathy myelopathy myelopathy, ischemic myelopathy, acute myelopathy, ascending myelopathy, chronic progressive myelopathy, radiation induced myelopathy, tract-specific myelopathy, vacuolar myeloproliferative disorder myeloradiculitis myeloradiculopathy myelotomy myocardial infarction myocardial infarction, acute myocardial injury myocarditis myoclonic jerks myoclonus myoclonus, epilepsy myocytolysis myofascial pain syndrome myoglobinuria myokymia myopathy myopathy, acquired myopathy, alcoholic myopathy, amyloid myopathy, autoimmune myopathy, distal myopathy, distal, vacuolar myopathy, drug-induced myopathy, glycogen storage myopathy, inclusion body myopathy, inclusion body, hereditary myopathy, inflammatory myopathy, mitochondrial myopathy, necrotizing myopathy, necrotizing, autoimmune myopathy, necrotizing, immune-mediated myopathy, proximal myopathy, quadriceps myopathy, scleromyxedema myopathy, steroid induced myopathy, steroid responsive myopathy, thyroid disease causing myopathy, toxic myopathy, vacuolar myopia myorhythmia myositis myositis, bacterial myositis, eosinophilic myositis, focal myositis, fungal myositis, granulomatous myositis, ocular myositis, overlap myositis, parasitic myotonia myotonia congenita myotonia dystrophica myotonia, treatment of myotonic crisis myotonic discharges mysoline nabiximols nafronyl nalidixic acid naloxone naltrexone naproxen naratriptan narcolepsy narcotic analgesics nardroparin nasal decongestant nasal discharge nasal obstruction nasal speech nasal spray nasal stuffiness nasopharyngeal carcinoma natalizumab nattokinase nausea and vomiting neck extension neck pain neck stiffness neck surgery neck weakness necrotizing vasculitis needle induced neuropathy negative neisseria meningitis nelarabine toxicity nelfinavir nemaline rod myopathy nemaline rod myopathy, adult onset neonatal abstinence syndrome neonatal epilepsy syndromes neonatal epileptic encephalopathy neonatal screening, genetic neurologic disorders neoplasm, intracranial neoplasm, intracranial with metastasis extracranially neoplasm, intracranial-incidence and epidemiology of neoplasm, metastatic neoplasm, metastatic causing intracranial hemorrhage neoplasm, metastatic to CNS neoplasm, metastatic to CNS, hemorrhagic neoplasm, metastatic to CNS-differential diagnosis of neoplasm, metastatic to CNS-hemorrhage into neoplasm, metastatic to CNS-multiple neoplasm, metastatic to CNS-origin of neoplasm, metastatic to CNS-prognosis of neoplasm, metastatic to CNS-prophylactic irradiation of neoplasm, metastatic to CNS-recurrent neoplasm, 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of neoplasm, primary of CNS-survival neoplasm, primary of CNS-treatment of neoplasm, second primary neoplastic angioendotheliosis neoplastic meningitis nephritis nephrotic syndrome nerve agents nerve biopsy nerve biopsy, indication nerve block nerve conduction studies nerve conduction studies, false negative nerve conduction studies, false positive nerve conduction studies, motor nerve grafting nerve growth factor nerve hypertrophy nerve injury nerve root compression nerve root enhancement nerve root hypertrophy nerve root, lumbar, lesion of neural tube defect neuralgia neuralgia, treatment of neurexin-3 alpha antibodies neuritis, causes of neuroblastoma neurocardiology neurochemistry neurocutaneous disease neuroendocrinology neuroenhancement medication neurofibrillary degeneration neurofibromatosis 1 neurofibromatosis 2 neurofibromin neurogenesis neurogenic bladder neurogenic stunned myocardium neurohospitalist neuroleptic neuroleptic malignant syndrome neuroleptic sensitivity neuroleptic, atypical neurologic complications neurologic complications of, chronic pulmonary disease neurologic complications of, surgery neurologic complications of, systemic cancer neurologic complications of, systemic disease neurologic consultation neurologic disease neurologic disease, burden neurologic disease, diagnoses of neurologic disease, diagnoses of, clinical bedside neurologic disease, incurable neurologic disease, multifocal neurologic disease, tempo neurologic education neurologic evaluation neurologic examination neurologic examination, fluctuating neurologic examination, focal neurologic examination, video neurologic history neurologic practice neurologic recovery neurologic signs neurologic symptoms neurologic testing neurological intensive care neurologist neurology clerkship neurology clinic, urgent neurology residency neurolymphomatosis neurolysis neuroma neuromodulation neuromuscular blockade neuromuscular disease, electrodiagnosis of neuromuscular junction neuromuscular junction, abnormality of neuromyelitis optica (Devic's disease) neuromyelitis optica spectrum disorder neuromyelitis optica, IgG neuromyotonia neuromyotonia, ocular neuron specific enolase neuronal cell death neuronal cell surface antigen neuronal ceroid-lipofuscinosis neuronal degeneration neuronal loss neuronal migration disorder neuronopathy, sensory neurons neuroophthalmology neuropathic pain scale neuropathology neuropathology, brain neuropathy neuropathy, acute neuropathy, amyloid neuropathy, ataxia, retinitis pigmentosa neuropathy, ataxic neuropathy, chronic neuropathy, classification of neuropathy, cryoglobulinemic neuropathy, diabetic neuropathy, diphtheritic neuropathy, etiologies of neuropathy, hereditary peripheral neuropathy, hypertrophic neuropathy, iatrogenic neuropathy, immune neuropathy, medication induced neuropathy, motor neuropathy, motor, multifocal neuropathy, multifocal neuropathy, painful neuropathy, paraneoplastic neuropathy, peripheral neuropathy, peripheral, treatment neuropathy, recurrent neuropathy, sensory neuropathy, small-fiber neuropathy, small-fiber, painful sensory neuropathy, toxic neuropathy, vasculitic, nonsystemic neuropathy, vasculitic, systemic neuropathy, work up for neuroprotective agents neuropsychiatry neuroradiology neuroradiology, interventional neuroretinitis neurosis neurosyphilis neurotomy neurotoxic neurotoxin neurotransmitter neurovascular compression neutralizing antibodies neutropenia New England new onset refractory status epilepticus newborn, evaluation of next-generation sequencing nicardipine NICE guidelines nicotine nicotine patch Niemann-Pick disease nifedipine night blindness night sweats nigrostriatal pathway NIH stroke scale NIH stroke scale, fluctuating nimodipine nivolumab NMDA antagonists NMDA receptors nocardiosis non-arteritic antererior ischemic optic neuropathy non-dominant hemisphere non-large vessel occlusion nonsteroidal anti-inflammatory drug non-vitamin K antagonist oral anticoagulants non-vitamin K antagonist oral anticoagulants, coagulation test nootropics normal North America nortriptyline nose, abnormal nose, enlargement nosocomial infection Notch3 gene number needed to treat numbness, ascending numbness, extremity nursing home nusinersen nutritional deficiency nystagmus nystagmus, direction fixed nystagmus, dissociated nystagmus, positional nystagmus, rotary nystagmus, see-saw nystagmus, spontaneous nystagmus, treatment of nystagmus, upbeating on upgaze nystagmus, vertical obesity obicularis oculi, weakness of obsessive-compulsive disorder obstetric complications obstetric neurologic injuries occipital lobe, infarction occipital lobe, lesion of occipital nerve, stimulation occipitoatlantal instability occupational neurologic disorders occupational neuropathies ocrelizumab octreotide ocular dipping ocular flutter ocular motility, disorders of Oculinum oculocardiac reflex oculogyric crisis oculomasticatory myorhythmia oculopharyngeal muscular dystrophy oculopneumoplethysmography oculovestibular reflex odontoid process odontoid process, fracture of odor odynophagia olanzapine old age, neurology of oligodendroglioma omega-3 fatty acids omeprazole onconeural antibodies one and a half syndrome oopherectomy ophelia syndrome ophthalmodynamometry ophthalmoplegia ophthalmoplegia, acute ophthalmoplegia, bilateral, acute ophthalmoplegia, painful ophthalmoplegia, progressive external ophthalmoplegia, total opiate opisthotonus opportunistic infection opportunistic infection, CNS opsoclonus opsoclonus, differential diagnosis of opsoclonus-myoclonus syndrome optic atrophy optic atrophy, hereditary optic canal optic canal, enlargement of optic chiasm optic chiasm, enlarged optic chiasm, lesion of optic disc cup optic disc edema optic disc ischemia optic glioma optic nerve optic nerve sheath fenestration optic nerve, blood supply of optic nerve, compression of optic nerve, decompression of optic nerve, enlarged optic nerve, infarction of optic nerve, lesion of optic nerve, neoplasm of optic neuritis optic neuritis, bilateral optic neuritis, etiology of optic neuritis, recurrent optic neuritis, treatment of optic neuropathy optic neuropathy, bilateral optic neuropathy, hereditary optic neuropathy, ischemic optic neuropathy, ischemic, anterior optic neuropathy, ischemic, posterior optic neuropathy, muslin optic neuropathy, nutritional optic neuropathy, toxic oral contraceptives oral contraceptives, cerbrovascular disease and oral contraceptives, neurologic complications with oral ulcerations orange peel appearance of skin orbit orbit, cellulitis of orbit, lesions of orbit, mass orbit, pseudotumor of orchitis organ donor organ transplantation organomegaly orgasm oriental orthostatic hypotension orthostatic hypotension, idiopathic orthostatic hypotension, treatment of oscillopsia Osler's nodes osmotic demyelination syndrome osteoarthritis, lumbar spine osteomalacia osteomyelitis osteomyelitis, spinal osteoporosis otitis, neurologic complications with ototoxicity outcome research out-of-hospital emergency care outpatient neurology ovarian induction ovarian insufficiency ovarian tumor overlap syndrome overuse syndrome owl's eye sign of brainstem oxcarbazepine oxybutynin oxycodone oxygen therapy pacemaker, cardiac-transvenous pachymeningitis, cranial pain pain, abdominal pain, arm pain, back pain, buttock pain, central pain, chronic pain, deep brain stimulation for control of pain, flank pain, foot pain, head pain, hysterical pain, interscapular pain, intractable treatment of pain, leg pain, management of chronic pain, neuropathic pain, periorbital pain, referred pain, severe pain, surgical treatment pain, testicular pain, thigh pain, throat palilalia palinopsia palliative care pallidotomy palpitations pancreatic cyst pancreatitis pancytopenia pandemic panic attacks PANK2 mutation papaverine papilledema papillitis paraldehyde paralysis paralysis, acute paralysis, acute areflexic paralysis, asymmetric paramedic paraneoplastic cerebellar degeneration paranoia paraparesis paraparesis, familial spastic paraparesis, familial spastic, classification paraparesis, spastic paraplegia paraplegia, acute paraplegia, progressive paraproteinemia parasitic infection parasitic infection, CNS parasomnia paraspinal infection paraspinal steroid injection parenteral alimentation paresthesias paresthesias, facial paresthesias, feet paresthesias, generalized paresthesias, hands parietal lobe, lesion of Parkinson disease Parkinson disease, atypical Parkinson disease, axial symptoms Parkinson disease, benign tremulous Parkinson disease, dementia with Parkinson disease, diagnosis Parkinson disease, differential diagnosis of Parkinson disease, drug induced Parkinson disease, early symptoms Parkinson disease, etiology of Parkinson disease, fluctuations in Parkinson disease, intractable Parkinson disease, L-dopa nonresponsive Parkinson disease, nonmotor problems of Parkinson disease, on-off phenomena in Parkinson disease, pathogenesis of Parkinson disease, prognosis of Parkinson disease, progression Parkinson disease, psychogenic Parkinson disease, surgical treatment of Parkinson disease, transient Parkinson disease, treatment of Parkinson disease, tremor, absence of Parkinson disease, wearing off Parkinsonism hyperpyrexia syndrome Parkinsonism multiple-system atrophy Parkinsonism syndrome parotitis paroxetine paroxysmal kinesigenic dyskinesia paroxysmal nocturnal hemoglobinuria partial thromboplastin time partial thromboplastin time, prolonged parvovirus PAS positive PAS positive material in the brain patent foramen ovale patent foramen ovale size patent foramen ovale, medical treatment patent foramen ovale, percutaneous closure patent foramen ovale, surgical treatment of pathergy test pathognomonic pathologic reflex pathology patient in waiting patient information and support patient satisfaction patient selection patient-centered medicine patient-oriented outcomes pediatric autoimmune neuropsychiatric disorders associated with streptococcal infection pediatric neurology pembrolizumab pemoline penguin silhouette sign penicillamine penicillin penile prosthesis pentamidine Penumbra System perampanel percussion induced muscle contraction pergolide perianal sensory loss periaqueductal lesion periarteritis nodosa pericardial effusion pericarditis perimetry perindopril perineum, numbness of periodic paralysis periodic paralysis, thyrotoxic perioral numbness peripheral blood smear peripheral blood smear, abnormal peripheral nerve, lesion of peripheral pulse, absent peripheral vascular disease peri-procedural periventricular leukomalacia pernicious anemia peroneal nerve palsy peroneal nerve, lesion of peroxisomal disease perseveration Persistent postural-perceptual dizziness persistent vegetative state persistent vegetative state, children persistent vegetative state, etiology of personal protective equipment personality change personality disorder pes cavus Petasites petechiae petit mal status Peyronie's disease PFA-100 phakomatoses phantom limb phencyclidine poisoning phenobarbital phenothiazine phenylephrine phenylketonuria phenylpropanolamine pheochromocytoma phlebotomy phobias phonophobia phosphatidylserine photophobia photopsias photosensitivity, skin phrenic nerve pacemaker phrenic nerve, injury of physical activity physical therapy physician assistants physician assisted suicide physician behavior physician-patient relationship physostigmine picking at skin PICU pigmentary retinopathy pimozide pimozide, side effects pineal pineal apoplexy pineal, neoplasm pinealoma piracetam piriformis muscle syndrome Pisa syndrome pitfalls Pittsburgh Compound B pituitary pituitary hyperemia pituitary stalk pituitary stalk, lesion of pituitary, adenoma pituitary, apoplexy pituitary, dysfunction pituitary, enlargement pituitary, hormones of pituitary, hyperplasia pituitary, insufficiency of pituitary, lesion of pituitary, metastasis to pituitary, microadenoma pizotifen placebo placebo effect plasmacytoma plasmapheresis plasmapheresis, complications of platelet aggregation platelet coagulant activity platelet count platelet function test platelet inhibiting drugs platelet inhibiting drugs, combined platelet inhibiting drugs, contraindications platelet inhibiting drugs, discontinuation platelet inhibiting drugs, resistance to platelet inhibiting drugs, restarting platelet inhibiting drugs, selection platelet scintigraphy platelet thrombi platelet transfusion PLEDs pleocytosis of cerebrospinal fluid pleocytosis of cerebrospinal fluid, neutrophilic plethora pleural effusion pleurisy pneumocephalus pneumococcal vaccination pneumocystis carinii pneumoencephalogram(PEG) pneumomediastinum pneumonia pneumothorax POEMS syndrome point of care POINT trial poison, neurologic problems with poison, organophosphate poliomyelitis poliomyelitis-like illness polycystic kidneys polycystic ovarian syndrome polycythemia, primary polymerase chain reaction polymerase chain reaction, false negative polymorphic low-grade neuroepithelial tumor of the young polymyalgia rheumatica polymyositis polyneuritis polyneuropathy polyneuropathy, chronic inflammatory demyelinating polyneuropathy, chronic relapsing polyneuropathy, critically ill polyneuropathy, subacute idiopathic demyelinating polyneuropathy, uremic polypharmacy polyps, gastrointestinal tract polyradiculoneuropathy polysomnogram polyuria Pompe's disease of glycogen storage pons, infarction of pons, lesion of pontine glioma pontine hemorrhage porphyria port wine nevus portal caval shunt positional head-hanging test positive sharp waves post concussive syndrome post concussive syndrome, persistent post herpetic neuralgia post infectious polyneuropathy post transplant lymphoproliferative disease post traumatic pain syndrome post traumatic stress disorder posterior cerebral artery posterior cerebral artery embolism posterior cerebral artery occlusion posterior cerebral artery stenosis posterior cerebral artery territory infarction posterior cerebral artery, fetal type posterior circulation stroke posterior column disease posterior fossa posterior fossa, arteriovenous malformation posterior fossa, lesion of posterior fossa, signs of posterior inferior cerebellar artery syndrome posterior leukoencephalopathy syndrome posterior longitudinal ligament, ossification of posterior spinal artery infarction postoperative neurologic complications postpartum postpartum cerebral angiopathy posttraumatic postural abnormality postural orthostatic tachycardia syndrome posturography potassium potassium channel antibodies potassium channel dysfunction poverty practice guidelines Prader-Labhart-Willi syndrome pramipexole pravastatin praziquantel precipitating factors preclinical precocious puberty pre-eclampsia pregabalin pregnancy, anticonvulsants during pregnancy, neurologic complications in preherpetic neuralgia premarin premature infant premature infant, problems in premonitory urges prenatal prenatal diagnosis by amniocentesis pressure sores pretectal syndrome prethrombic state, screening for prethrombotic state prevention of neurologic disorders primary care physician primary episodic ataxia primary intracranial hypotension primary lateral sclerosis primary thrombocythemia primary vitreoretinal lymphoma prion disease procainamide PROFESS trial progesterone prognathism prognosis PROGRESS trial progressive multifocal leucoencephalopathy progressive myoclonic epilepsy progressive neurologic disorder progressive supranuclear palsy prolactin prolactin, elevated prolactinoma promethazine propofol propranolol proprioception, abnormal proptosis proptosis, unilateral prostacyclin prostaglandin-E protease inhibitor, HIV-1 protein C deficiency protein S deficiency proteinuria prothrombin complex concentrate prothrombin time prothrombin time, prolonged protocol violations proton beam therapy proton pump inhibitors protozoan infection proximal muscle atrophy pruritus pseudarthrosis pseudoaneurysm pseudobulbar palsy pseudocyst pseudodementia pseudointernuclear ophthalmoplegia pseudomonas aeruginosa pseudostatus epilepticus pseudotumor psychiatric disorder psychiatric problems in neurologic disorders psychological testing psychological testing, children psychological testing, neurologic problems psychomotor retardation psychosis psychosis, acute psychosocial aspects psychosomatic disease psychotherapy psychotic behavior psychotropic drugs ptosis ptosis, bilateral ptosis, unilateral public education puerarin pulmonary disease pulmonary edema pulmonary embolism pulmonary function tests pulmonary infection pulmonary infiltrates pulmonary nodules pulse oximeter pulvinar pupil pupil, abnormality in neurologic disorders pupil, dilated, bilateral pupil, light reflex, abnormal pupil, tonic pure motor hemiplegia pure sensory stroke pure word deafness Purkinje cell purple glove syndrome purple hands purpura putamen, lesion of putamen, lesion of, bilateral pyramidal tract pyramidal tract dysfunction pyridoxine deficiency pyruvate dehydrogenase deficiency pyruvate metabolism, abnormality of quadrantanopsia, superior quadriceps atrophy quadriceps weakness quadriparesis quadriparesis, progressive quadriplegia quadriplegia, transient quality assurance quality control quality of care quality of life quetiapine quinidine quinine rabies, nervous system involvement with race radial nerve radial nerve, palsy of radial pulse, unilateral decrease of radiation encephalopathy, delayed radiation necrosis radiation neuropathy radiation therapy, CNS treatment and complications with radiation therapy, stereotactic radiation therapy, sterotactic, complications radiation therapy, total body radiation vasculopathy radicular pain radiculitis radiculoneuritis radiculopathy radiofrequency ablation radioimmunoassay ragged-red fibers ramipril Rankin score raphe nuclei RAPID CT perfusion maps rapid thromboelasticity rapidly fatal neurologic illness rapidly progressing neurologic illness rash rating scale ravulizumab Raynaud's phenomenon reactive pleocytosis reading reading disorder, acquired reading problem, causes of readmissions rebound recanalization, arterial recanalization, venous recombinant activated factor VII recombinant DNA rectal sensation, impaired rectal sphincter tone, decreased recurrent recurrent laryngeal nerve paralysis Red flags referral, neurologic reflex sympathetic dystrophy reflex sympathetic dystrophy, children reflex, loss of refractive errors Refsum's disease regional cerebral blood flow regional enteritis rehabilitation for neurologic disorders release phenomena RELY trial REM sleep remission remote effect of cancer on the nervous system renal artery stenosis renal biopsy renal cell carcinoma renal cyst renal failure renal failure, acute renal infarct renal stones renal transplantation renal tubular necrosis renal vein thrombosis reocclusion, cerebral artery reperfusion repetition strain injury repetitive nerve stimulation repetitive questioning research reserpine treatment in movement disorder RESPECT trial respirator respiratory arrest respiratory depression respiratory failure respiratory paralysis, pharmacologic respiratory tract infection responsive cortical stimulation restless leg syndrome reticulum cell sarcoma retina, abnormal retinal artery occlusion retinal branch artery occlusion retinal degeneration retinal hamartoma retinal hemangioma retinal hemorrhages retinal infarction retinal ischemia retinal lesion retinal tumor retinal vasculitis retinitis pigmentosa retinopathy retinopathy, venous-stasis Retriever Device retrocollis retro-orbital pain retroperitoneal fibrosis retroperitoneal hemorrhage retroperitoneal mass retrovirus Rett's syndrome REVASCAT trials revascularization, surgical reversible cerebral vasoconstrictive syndromes reversible ischemia reversible ischemic neurologic deficit reversible neurologic disorder review article Reye's syndrome Reye's syndrome, adult Reye's syndrome, incidence of Reye's syndrome, prognosis of RFLPs rhabdomyolysis rhabdomyoma, cardiac rhabdomyosarcoma of heart rheumatic brain disease rheumatic heart disease rheumatoid arthritis rheumatoid arthritis factor(R.A.factor) rheumatoid arthritis, neurologic complications of rheumatoid pachymeningitis rhinocerebral phycomycoses rhinorrhea rhinorrhea, CSF rhizotomy rhytidectomy riboflavin rifampin right to die right-left cardiac shunt rigidity rigidity, axial riluzole rimegepant Rinne tuning fork test rippling muscle disease risk factor calculator risk factors risk factors, modification risk stratification risk-benefit assessment risperidone ritalin ritonavir rituximab rivaroxaban rivastigmine rizatriptan ROCKET - AF trial rodents Romberg's sign root lesion, nerve RoPE score ropinirole Rosai-Dorfman disease Rosuvastatin Roth spots rotigotine rozanolixizumab rubeola virus rummaging saccadic eye movements saccadic eye movements, abnormal saddle anesthesia safety sagging of the brain salivary gland biopsy salivation, excessive salt and pepper sign saquinavir sarcoid-like reaction sarcoidosis sarcoidosis, CNS sarcoma sarilumab Sarin sarpropterin scalp necrosis scalp tenderness schistocytes schistosomiasis schizophrenia Schwartz-Jampel syndrome sciatic neuropathy sciatica scleritis sclerodactyly scleroderma SCN1A gene scoliosis scoliosis, neurologic association with scotoma scotoma, central scotomata, scintillating screaming screening scuba diving season second impact syndrome SEDAN score sedation sedimentation rate sedimentation rate, elevated seizure seizure detection device seizure, acute symptomatic seizure, adult onset seizure, age of onset seizure, breakthrough seizure, cardiac arrhythmia resulting from seizure, centrencephalic seizure, children seizure, classification of seizure, complications following seizure, crying as manifestation of seizure, diagnosis of seizure, differential diagnosis of seizure, driving with seizure, drug 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of seizure, psychosocial aspects of seizure, recurrent seizure, relapse seizure, remission seizure, repetitive seizure, restrictions following seizure, risk factors for seizure, stimulus sensitive seizure, surgical treatment of seizure, systemic disease causing seizure, teenager seizure, tonic-clonic seizure, treatment of seizure, treatment of, first seizure, treatment of, monotherapy seizure, treatment of, polytherapy seizure, treatment, adjunctive therapy seizure, unknown origin seizure, water-drinking as cause of seizure, withdrawal seizure, women seizure, workup of selective norepinephrine reuptake inhibitor selective serotonin reuptake inhibitors self monitoring sella turcica, enlargement of selumetinib semaglutide senile plaques sensorimotor stroke sensorineural hearing loss sensory ganglia sensory level sensory loss sensory loss, cortical sensory loss, cutaneous sensory testing, quantitative sensory tricks septicemia sequencing difficulty seroconversion serologic testing serologic testing of cerebrospinal fluid serologic testing, false negative seronegative serotonin serotonin agonist serotonin antagonist serotonin norepinephrine reuptake inhibitors serotonin syndrome sertraline serum alanine aminotransferase serum glutamic oxaloacetic transaminase serum osmolarity serum tumor markers sex reassignment surgery sexual abuse sexual behavior, disorder of sexual dysfunction in neurologic disease sexually transmitted disease shadowing shagreen patch shaken infant syndrome shaking sham surgery shared decision making Shiga toxin shivering shock, cardiogenic short stature short steps shoulder, pain in shoulder, weakness shunt procedure, lumboperitoneal shunt procedure, lumboperitoneal-complications of shunt procedure, ventricular shunt procedure, ventricular-complications of shunt procedure, ventriculo-amniotic shunt procedure, ventriculo-peritoneal shunt procedure, ventriculo-pleural sickle cell crisis sickle cell disease sickle cell trait sildenafil simvastatin sinemet single photon emission computed tomography single photon emission computed tomography, thallium single-fiber electromyography sinoatrial disorder, chronic sinus histiocytosis sinus pain sinuses, diseases of sinusitis Sjogren's syndrome Sjogren's syndrome, neurologic manifestations of skiing skin, biopsy skin, cherry-red skin, darkening of skin, discoloration skin, hyperextensible skin, lesions in neurologic disorders skin, pale skin, temperature difference skin, thickened skin, thin skin, translucent skull fracture skull x-ray skull x-ray, abnormal skull x-ray, bony defect on sleep sleep apnea sleep apnea, driving with sleep apnea, obstructive sleep offset paralysis sleep onset paralysis sleep paralysis sleep pathology and physiology slit lamp examination slow virus infection of CNS slurred speech small vessel disease small vessel vasculitis SMART Study smartphone smartwatch smell SMN1 gene Sneddon's syndrome snoring snout reflex soap-bubble appearance social distancing socialisation socioeconomic status sodium channel dysfunction sodium valproate sodium valproate, intravenous sodium valproate, toxicity solitaire device Soman somatization disorder somatosensory evoked potentials somatostatin analogue somnolence sonothrombolysis sore throat South America southeast asia SPARCL trial spastic ataxia spastic dysphonia spasticity spasticity, treatment of speech disorder speech disorder, childhood speech disorder, non aphasic speech therapy speech, delayed development of speech, slowed sphenoid sinus sphenoiditis sphenoidotomy spina bifida spinal accessory nerve spinal accessory nerve palsy spinal cord spinal cord degeneration spinal cord transplantation spinal cord, biopsy spinal cord, blood supply of spinal cord, cervical spinal cord, compression of spinal cord, compression of, acute spinal cord, compression, epidural abscess causing spinal cord, herniation spinal cord, infarction of spinal cord, injury of spinal cord, injury, complications with spinal cord, injury, functional capacity of patient with spinal cord, injury, management of spinal cord, injury, prognosis in spinal cord, injury, sexual dysfunction in spinal cord, ischemic lesion of spinal cord, lesion of spinal cord, metastasis to spinal cord, metastasis to, intramedullary spinal cord, metastasis to, primary source spinal cord, metastasis to, prognosis of spinal cord, metastasis to, treatment of spinal cord, neoplasm spinal cord, neoplasm, extramedullary spinal cord, neoplasm, intramedullary spinal cord, neoplasm, meningioma spinal cord, vascular disorders Affecting spinal cord, vascular malformation of spinal fusion spinal headache spinal headache, treatment of spinal manipulation spinal muscular atrophy spinal muscular atrophy, adult onset spinal muscular atrophy, classification spinal muscular atrophy, intermediate form spinal percussion spinal stenosis spinal stenosis, cervical canal spine, infection of spine, injury of spine, metastasis to spine, metastasis to, treatment spine, metastasis, primary source spine, tenderness spinocerebellar ataxia spinocerebellar degeneration spirochete infection spironolactone splenic infarcts splenium of corpus callosum splenomegaly splint splinter hemorrhages spondylolisthesis spondylosis spongy degeneration of brain spontaneous remission SPORTIF trial sports medicine, neurology of Spot sign sprain, cervical sprain, cervical-treatment of spreading cortical depression Spurling test squamous cell carcinoma of head and neck St. John's wort staggering Stalevo stammering standing difficulty staphylococcal protein A column therapy staphylococcus aureus STARFlex septal closure system starvation, therapeutic statin therapy statin therapy, discontinuation statin therapy, dose status epilepticus status epilepticus, intractable status epilepticus, nonconvulsive status epilepticus, out-of-hospital emergency care status epilepticus, psychogenic steal syndrome, intracerebral steatorrhea stellate-ganglion block stem cell tourism stem cell transplantation stem cells stent, basilar artery stent, basilar artery, efficacy stent, carotid artery stent, carotid artery, complications stent, carotid artery, efficacy stent, carotid artery, indications stent, coronary artery stent, intracranial stent, intracranial, complications stent, middle cerebral artery stent, venous sinus stent, vertebral artery stent, vertebral artery, complications stent, vertebral artery, efficacy step care steppage gait stereotaxic surgery stereotyped behavior stereotyped behavior, drug induced stereotypy steroid steroid injection steroid responsive encephalitis steroid responsive encephalopathy steroid sparing therapy steroid therapy, CNS treatment and complications with stiff joints stiff legs stiff limb syndrome stiff man syndrome stillbirth stimulant drugs stimulation, deep brain stimulation, deep brain, bilateral stimulation, thalamic stockings Stokes-Adams syndrome stool, guaiac positive stooped posture strabismus straight leg raising test strain, back stratified care streptococcus agalactiae streptococcus pneumoniae streptokinase stress, emotional striatal encephalitis striatum, lesion of striatum, lesion of, bilateral stridor string sign stroke care stroke center stroke disability scale stroke protocol stroke protocol, activation stroke team stroke unit stroke unit, mobile stroke, completed stroke, progression of strokelike episodes strokologist stuporous Sturge-Weber syndrome stuttering subacute sclerosing panencephalitis(S.S.P.E.)Dawson's disease subacute sclerosing panencephalitis, adult onset subarachnoid hematoma subarachnoid hematoma, spinal subarachnoid hemorrhage subarachnoid hemorrhage, causes of subarachnoid hemorrhage, cerebral convexity subarachnoid hemorrhage, clinical presentation subarachnoid hemorrhage, nonaneurysmal subarachnoid hemorrhage, normal cerebral angiography with subarachnoid hemorrhage, perimesencephalic subarachnoid hemorrhage, prognosis subarachnoid hemorrhage, recurrent subarachnoid hemorrhage, treatment of subarachnoid hemorrhage, work up subclavian artery stenosis subclavian steal syndrome subclavian vein catheterization subconjunctival hemorrhage subdural effusion subdural hematoma subdural hematoma, acute subdural hematoma, bilateral subdural hematoma, chronic subdural hematoma, interhemispheric subdural hematoma, isodense subdural hematoma, neonates and infants subdural hematoma, nonsurgical treatment of subdural hematoma, nontraumatic subdural hematoma, posterior fossa subdural hematoma, rebleed subdural hematoma, spinal subdural hygroma subependymal nodules suboccipital decompression subspecialist substantia nigra substantia nigra tissue subtemporal decompression subthalamic nucleus subthalamic nucleus deep brain stimulation sudden death suicide sulcal effacement sulfinpyrazone sumatriptan SUNCT syndrome superficial temporal-middle cerebral artery anastomosis superior cerebellar artery infarction superior cluneal neuralgia superior oblique 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