A sixty-four-year-old man presented with repolarization abnormalities on the electrocardiogram. Echocardiography and cardiac catheterization revealed that he had the rare combination of apical hypertrophic cardiomyopathy with bilateral coronary-artery-to-pulmonary-artery fistula. An exercise thallium scan was negative, suggesting that the marked electrocardiographic changes were most likely secondary to the apical myocardial hypertrophy, instead of to coronary-steal-induced ischemia.
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