The American College of Cardiology (ACC) and American Heart Association (AHA) recently updated their guidelines on 'Eligibility and Disqualification Recommendations for Competitive Athletes with Cardiovascular Abnormalities'. With respect to Hypertrophic Cardiomyopathy (HCM), a matter obviously close to my own heart and the single most common cause of sudden death in young competitive athletes in the United States, the new disqualification/eligibility guidelines do not differ that mu...