title: Sudden death in a 47-year-old marathon runner.
mesh_terms: D006332:Cardiomegaly / Q000150:complications; D003163:Competitive Behavior; D003327:Coronary Disease / Q000150:complications; D003645:Death, Sudden / Q000209:etiology*; D006349:Heart Valve Diseases / Q000150:complications; D006352:Heart Ventricles; D006801:Humans; D006973:Hypertension / Q000150:complications; D008297:Male; D008875:Middle Aged; D011379:Prognosis; D012306:Risk; D012420:Running; D013312:Stress, Physiological / Q000150:complications