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All 76 patients with a final discharge diagnosis of intracerebral or subarachnoid hemorrhage were correctly diagnosed by the emergency physicians(sensitivity,100%;positive predictive value,100%).Of the 351 patients with a final discharge diagnosis of ischemic stroke or transient ischemic attack,346 were correctly identified by the emergency physicians (sensitivity,98.6%;positive predictive value,94.8%).Nineteen patients were diagnosed with stroke or transient ischemic attack by the emergency physician but had a final discharge diagnosis other than stroke.discharge diagnoses included paresthesia or numbness of unknown causes(3),seizure (2),complicated migraine(2),peripheral neuropathy(2),cranial nerve neuropathy(2),psychogenic paralysis(1),and other(7).Emergency physicians at a large urban teaching hospital with a comprehensive stroke intervention program can accurately identify patients with stroke, particularly hemorrhagic stroke.If similar accuracy can be documented in other types of hospitals,emergency physicians may become key providers of urgent stroke intervention. |
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