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Conditions That Mimic Stroke in the Emergency Department
Arch Neurol 52:1119-1122, Libman,R.B.,et al, 1995
See this aricle in Pubmed

Article Abstract
There were 411 patients initially diagnosed as having stroke.Of these,78 patients(19%)were eventually found to have mimics,the majority comprising postictal states,systemic infections,tumors,and toxic-metabolic disturbances.Univariate analysis showed that decreased level of consciousness and normal eye movements increased the odds of mimic,while abnormal visual fields,diastolic blood pressure greater than 90 mm Hg, atrial fibrillation on electrocardiogram,and history of angina decreased the odds of mimic.Multivariate analysis showed that decreased consciousness increased,while history of angina decreased,the odds of mimic.Sensitivity of this model for predicting mimics was only 21%while specificity was 96%.For the neurologist faced with an immediate decision as to whether to randomize a patient with probable stroke to an acute treatment protocol,these findings have some usefulness but mandate further research into conditions that mimic stroke in the emergency department.
 
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