Abstract
The exercise electrocardiogram is a commonly used non-invasive and inexpensive method for detection of electrocardiogram (ECG) changes secondary to myocardial ischemia. It has been reported that in patients with a first myocardial infarction and without residual ischemia, exercise-induced ST-segment elevation in Q leads is related to a more damaged coronary microcirculation and to less viable myocardium. Exercise-induced ST-segment elevation is a rare phenomenon in patients without prior myocardial infarction. When occurring purely during exercise, coronary lesions are frequent and often severe, and on the other hand ST-segment elevation of the recovery phase is frequently associated with normal arteries or less severe lesions. We present a case of exercise-induced ST-segment elevation in a 51-year-old Italian man. Coronary angiography revealed a significant left anterior descending coronary artery stenosis, a significant circumflex coronary artery stenosis, a significant first obtuse marginal coronary artery stenosis and a significant second obtuse marginal coronary artery stenosis. Percutaneous transluminal coronary angioplasty with implantation of stents was successfully performed. Also this case is illustrative of the rare phenomenon of exercise-induced ST-segment elevation.
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