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Acute Pericarditis: Likelihood Ratios

Introduction: Inflammation of the pericardium, most commonly viral in nature though can also be caused by bacteria, uremia, tuberculosis, or autoimmune diseases (e.g. Lupus).

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Tags: Cardiac Problem Inflammatory Tag this Diagnosis.

The likelihood ratios of findings for Acute Pericarditis 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.)
Good Positive and Negative Likelihood Ratios
FindingResult +LR-LR
[ + ] Pleuritic Chest Pain + 0 - 2.30.4
[ + ] Chest CT + 0 - 60.5
Poorly Diagnostic Findings
FindingResult +LR-LR
[ + ] Elevated ESR Sensitivity = 90%
[ + ] Elevated D-dimer Sensitivity = 78%
[ + ] ECG Sensitivity = 50%
[ + ] Pleuritic chest pain relieved by sitting up Sensitivity = 24%
[ + ] Friction rub, pericardial Sensitivity = 9%

 

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