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Poorly Diagnostic Findings

Syncope: Sensitivity and Specificity

Introduction: As diff dx, see also Epilepsy, which has a large set of distinguishing findings (from JACC article PMID: 12103268). As a subtype, see Neurocardiogenic Syncope.

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Tags: Neurologic Psychiatric Vasculitis Tag this Diagnosis.

Differential Diagnoses include: Epilepsy, Neurocardiogenic Syncope

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

Pre-Test Probability (Prevalence): %. Post-Test Probability (Predictive Value): %. Switch to display mode.
**Note that calculating probabilities from more than one finding is inherently inaccurate because findings are not independent. (For example, using two positive findings that share a common pathogenesis is likely to overestimate the true probability.)
Poorly Diagnostic Findings
FindingResult SensitivitySpecificity
[ + ] Hyperventilation Test + 0 - 57%84%