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Myocardial Contusion: Sensitivity and Specificity

Introduction: Myocardial contusions are injuries to the heart muscle from blunt trauma to the chest. Principal complications are arrhythmias and ventricular (especially RV) dysfunction.

In a large case series (PMID: 2363607), blunt trauma patients who survived to admission and were suspected of having myocardial contusion were unlikely to have arrythmias (only 4 of 95 patients developed arrhythmias necessitating treatment), and none developed new heart failure. No patients admitted to unmonitored beds had arrhythmia or new heart failure. In this series, cardiac enzymes were frequently elevated but did not predict morbidity.

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Tags: Cardiac Problem Trauma Tag this Diagnosis.

Prevalence

Population / CalculatorPrevalence Comments / Study / Link
Patients with blunt chest trauma _dying_ in the ED 14% But no patient who died after admission had evidence of myocardial contusion.

Ann Surg. 1990 Jul;212(1):82-6. PMID: 2363607

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The sensitivity and specificity of findings for Myocardial Contusion 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.)
Specific Findings
FindingResult SensitivitySpecificity
[ + ] Troponin T + 0 - 12%100%
[ + ] Troponin I + 0 - 23%97%
Findings With Unspecified Accuracy
FindingResult SensitivitySpecificity
[ + ] ECG No accuracy specified.