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Specific Findings

Stroke: Sensitivity and Specificity

Introduction: aka cerebrovascular accident. Mostly ischemic, some hemorrhagic. CT detects hemorrhagic stroke with high sensitivity. For history/physical findings to distinguish ischemic from hemorrhagic, see Hemorrhagic Stroke.

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Tags: Neurologic Tag this Diagnosis.

Differential Diagnoses include: Hemorrhagic Stroke

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

Sensitive and Specific Findings

Finding SensitivitySpecificity Comments, Study
MRI
Duplicate Edit
97%100%

DWI sequence. Within 6 hours of presentation.

Study: Radiology. 2002 Aug;224(2):353-60. PMID: 12147827

Specific Findings

Finding SensitivitySpecificity Comments, Study
MRI
Duplicate Edit
58%100%

"conventional", i.e. no DWI sequence. Within 6 hours of presentation.

Study: Radiology. 2002 Aug;224(2):353-60. PMID: 12147827

Non-contrast Head CT Edit 42%91%

performed on presentation, or within 6 hours

Study: Radiology. 2002 Aug;224(2):353-60. PMID: 12147827