title: T wave abnormalities in the electrocardiograms of top-ranking athletes without demonstrable organic heart disease.
mesh_terms: D000124:Achievement; D000222:Adaptation, Physiological; D000293:Adolescent; D000328:Adult; D001146:Arrhythmia, Sinus / Q000209:etiology* / Q000503:physiopathology; D001919:Bradycardia / Q000209:etiology* / Q000503:physiopathology; D004562:Electrocardiography; D005080:Exercise Test; D006329:Heart Conduction System / Q000503:physiopathology; D006331:Heart Diseases; D006801:Humans; D008297:Male; D009206:Myocardium / Q000378:metabolism; D011188:Potassium / Q000378:metabolism; D013178:Sports Medicine; D014630:Vagus Nerve / Q000503:physiopathology
chemical_list: D011188:Potassium