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A 60-year-old man who was taking no medications was resuscitated after out-of-hospital cardiac arrest. He was found in ventricular fibrillation and underwent successful DC cardioversion. Electrocardiography documented short periods of polymorphic ventricular tachycardia and ST elevation of leads II and III as well as atrial fibrillation, which quickly reverted to sinus rhythm (Panel A). Echocardiography documented normal heart function, and there was no evidence of a myocardial infarction. Coronary angiography revealed normal coronary arteries. During the injection of dye to the dominant right coronary artery, severe coronary spasm developed, which was not induced by the catheter. The spasm started midway . . . [Full Text of this Article] |
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