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Good Positive and Negative Likelihood Ratios

Good Positive Likelihood Ratio

Stroke: Likelihood Ratios

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: Neurocardiogenic Syncope

The likelihood ratios of findings for Stroke are listed below. See the left navigation bar to change the display.

Good Positive and Negative Likelihood Ratios

Finding +LR-LR Comments, Study
MRI
Duplicate Edit
inf0

DWI sequence. Within 6 hours of presentation.

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

MRI
Duplicate Edit
inf0.4

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

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

Good Positive Likelihood Ratio

Finding +LR-LR Comments, Study
Non-contrast Head CT Edit 4.70.6

performed on presentation, or within 6 hours

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