Highlights a rare case of myocardial injury caused by external compression of the left anterior descending coronary artery from a giant left atrial appendage aneurysm.
Suggests considering left atrial appendage aneurysm in unexplained myocardial injury; hypothesis-generating for this rare compression mechanism.
A young patient is reported with an aneurysm of the left atrial appendage having supraventricular arrhythmias and a period of chest pain accompanied by a rise in cardiac enzymes. Compression of the left anterior descending coronary artery by the aneurysm was felt to be responsible for the myocardial injury.
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Frambach et al. (1990) studied this question.
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