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Findings With Unspecified Accuracy

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.


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.

Specific Findings

Finding SensitivitySpecificity Comments, Study
Troponin T Edit 12%100%

contusion by echo / ECG criteria - may reflect overdiagnosis

Study: Emerg Med J. 2002 Jan;19(1):8-10. PMID: 11777862

Troponin I Edit 23%97%

contusion defined by echo / ECG criteria only - may reflect overdiagnosis

Study: Emerg Med J. 2002 Jan;19(1):8-10. PMID: 11777862

Findings With Unspecified Accuracy

Finding SensitivitySpecificity Comments, Study
ECG Edit No accuracy specified.

In one series, ECG abnormalities were found in 70% of severe blunt trauma patients but did not correlate with mortality.

Study: Emerg Med J. 2002 Jan;19(1):8-10. PMID: 11777862