Abnormal ECG findings and heart function examined by non-invasive methods in a group of athletes.
D000293:Adolescent; D000328:Adult; D001145:Arrhythmias, Cardiac / Q000503:physiopathology*; D004452:Echocardiography; D004562:Electrocardiography; D006801:Humans; D008297:Male; D010701:Phonocardiography; D012420:Running; D013177:Sports; D013318:Stroke Volume