Highlights that arrhythmogenic right ventricular cardiomyopathy can present with ventricular arrhythmias in endurance athletes even when cardiac imaging shows a structurally normal right ventricle.
May warrant ARVC evaluation in endurance athletes with VT despite normal RV imaging; hypothesis-generating case report needing validation.
Arrhythmogenic right ventricular cardiomyopathy, a genetically inherited disease that results in fibrofatty replacement of normal cardiac myocytes, has been associated with sudden cardiac death in athletes. Long-term participation in endurance exercise hastens the development of both the arrhythmic and structural arrhythmogenic right ventricular cardiomyopathy phenotypes. We describe the unusual case of a 34-year-old, symptomatic, female endurance athlete who had arrhythmogenic right ventricular cardiomyopathy in the presence of a structurally normal right ventricle. Clinicians should be aware of this infrequent presentation when evaluating athletic patients who have ventricular arrhythmias and normal findings on cardiac imaging studies.
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Hedley et al. (2017) studied this question.
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