The Journal of adolescent health : official publication of the Society for Adolescent Medicine
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A 15-year-old girl presented with dilated cardiomyopathy, positive cardiac markers, and electrocardiogram changes suggestive of acute coronary syndrome. Coronary angiography showed giant dilated coronary arteries. Pathological evidence for cardiomyopathy with acute myocardial infarction was present in the explanted heart. Further investigation suggested evidence for a systemic vasculitis: polyangiitis overlap syndrome.