Practice Guidelines

Cardiomyopathy and Myocarditis in Competitive Athletes: Recommendations from the AHA/ACC


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Key Points for Practice

• Asymptomatic persons who are positive for the HCM genotype can reasonably partake in competitive sports in the absence of left ventricular hypertrophy.

• Patients with myocarditis can resume training and competition if ventricular systolic function and serum markers of myocardial injury, inflammation, and heart failure are normal and if no arrhythmias are seen on monitoring.

• Persons in the acute phase of pericarditis should not play competitive sports and should return to play only if there is no evidence of active disease.

From the AFP Editors

The American Heart Association (AHA) and American College of Cardiology (ACC) have provided recommendations regarding eligibility and disqualification of competitive athletes with cardiovascular abnormalities. The full guidelines can be found at This summary focuses on cardiomyopathy and myocarditis.



Hypertrophic cardiomyopathy (HCM), which occurs in one in 500 persons, is a common nontraumatic cause of sudden death in young persons. For persons who are positive for the HCM genotype, competing in competitive athletics is reasonable if no symptoms or evidence of left ventricular hypertrophy on echocardiography or cardiac magnetic resonance imaging are present, and

Author disclosure: No relevant financial affiliations.

Coverage of guidelines from other organizations does not imply endorsement by AFP or the AAFP.

This series is coordinated by Sumi Sexton, MD, Associate Deputy Editor.

A collection of Practice Guidelines published in AFP is available at


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Oct 15, 2016

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