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ST-segment elevation after blunt chest trauma: myocardial contusion with normal coronary arteries or myocardial infarction following coronary lesions

Amine Ghalem
Hanane Boussir
Kamal Ahsayan
Nabila Ismaili
Noha El Ouafi


Cardiac lesions secondary to blunt chest trauma vary from insignificant arrhythmias to fatal cardiac rupture. Of these, a distinction remains difficult; face to ST-segment elevation on ECG with positive cardiac biomarkers, is it a myocardial contusion or a genuine myocardial infarction (MI) secondary to coronary lesions? We report the case of a patient admitted for multiple trauma. Initial assessment showed an ST segment elevation on ECG, along with multiple fractures and abdominal injuries. We would like to discuss, through this case, the similarities and the differences between myocardial infarction due to coronary lesions and myocardial contusion in a traumatic context, but also emphasize the difficulty of striking the right balance between thrombotic and bleeding risks in this situation, and insist on the importance of a multidisciplinary and collegial reflexion so we can offer these patients the best care there is.


Key words: Blunt chest trauma, myocardial contusion, myocardial infarction, coronary angiography

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eISSN: 1937-8688