Abstract
A 16-year-old Hispanic girl with arrhythmogenic right-ventricle dysplasia (ARVD) presented with angina pectoris and troponin increase on three occasions. There was a family history of sudden cardiac death in a cousin. Her mother was diagnosed with ARVD. The patient herself had a history of nonsustained ventricular tachycardia but did not meet diagnostic criteria for ARVD. Cardiac workup, including serial transthoracic echocardiograms and a coronary angiogram, showed a structurally normal heart without coronary artery stenosis. Results of cardiac magnetic resonance imaging were questionable, but endomyocardial biopsy did not show evidence of viral myocarditis by polymerase chain reaction. Genetic testing confirmed ARVD.
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