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Hemorrhagic Stroke: Sensitivity and Specificity

Introduction: Versus Ischemic Stroke. See also Subarachnoid Hemorrhage which shares some of the same findings (i.e. when intraparenchymal blood crosses into the subarachnoid space).

Great review of many findings (not all listed here): JAMA 2010;303(22):2280-2286 http://jama.ama-assn.org/cgi/content/short/303/22/2280

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Tags: Neurologic Tag this Diagnosis.

Differential Diagnoses include: Stroke

The sensitivity and specificity of findings for Hemorrhagic Stroke are listed below. See the left navigation bar to change the display.

Specific Findings

Finding SensitivitySpecificity Comments, Study
Kernig or Brudzinski Sign Edit 15%98%

Differential Diagnosis: Stroke

Study: JAMA 2010;303(22):2280-2286 http://jama.ama-assn.org/cgi/content/short/303/22/2280

Seizure Edit 9%98%

Differential Diagnosis: Stroke

Study: JAMA 2010;303(22):2280-2286 http://jama.ama-assn.org/cgi/content/short/303/22/2280

Neck Stiffness Edit 20%97%

Differential Diagnosis: Stroke

Study: JAMA 2010;303(22):2280-2286 http://jama.ama-assn.org/cgi/content/short/303/22/2280

Xanthochromia Edit 71%95%

(in CSF)

Differential Diagnosis: Stroke

Study: JAMA 2010;303(22):2280-2286 http://jama.ama-assn.org/cgi/content/short/303/22/2280

Coma Edit 35%94%

Differential Diagnosis: Stroke

Study: JAMA 2010;303(22):2280-2286 http://jama.ama-assn.org/cgi/content/short/303/22/2280

Carotid Bruit Edit 1%93%

Differential Diagnosis: Stroke

Study: JAMA 2010;303(22):2280-2286 http://jama.ama-assn.org/cgi/content/short/303/22/2280

Hypertension Edit 48%89%

diastolic > 110mmHg

Differential Diagnosis: Stroke

Study: JAMA 2010;303(22):2280-2286 http://jama.ama-assn.org/cgi/content/short/303/22/2280

Clinical diagnosis Edit 76%88%

Differential Diagnosis: Stroke

Study: JAMA 2010;303(22):2280-2286 http://jama.ama-assn.org/cgi/content/short/303/22/2280

Negative Findings

Finding SensitivitySpecificity Comments, Study
Carotid Bruit Edit 1%93%

Differential Diagnosis: Stroke

Study: JAMA 2010;303(22):2280-2286 http://jama.ama-assn.org/cgi/content/short/303/22/2280

Atrial Fibrillation Edit 2%82%

on EKG

Differential Diagnosis: Stroke

Study: JAMA 2010;303(22):2280-2286 http://jama.ama-assn.org/cgi/content/short/303/22/2280

Prior TIA Edit 7%79%

Differential Diagnosis: Stroke

Study: JAMA 2010;303(22):2280-2286 http://jama.ama-assn.org/cgi/content/short/303/22/2280

Acute Onset Edit 44%32%

Differential Diagnosis: Stroke

Study: JAMA 2010;303(22):2280-2286 http://jama.ama-assn.org/cgi/content/short/303/22/2280

Alert Edit 23%31%

i.e. as opposed to drowsy or comatose

Differential Diagnosis: Stroke

Study: JAMA 2010;303(22):2280-2286 http://jama.ama-assn.org/cgi/content/short/303/22/2280

Poorly Diagnostic Findings

Finding SensitivitySpecificity Comments, Study
Headache Edit 46%82%

Differential Diagnosis: Stroke

Study: JAMA 2010;303(22):2280-2286 http://jama.ama-assn.org/cgi/content/short/303/22/2280