Noninvasive analysis of cardiac function of elite distance runners--echocardiography, vectorcardiography, and cardiac intervals.
D006332:Cardiomegaly / Q000503:physiopathology; D004452:Echocardiography; D006321:Heart / Q000033:anatomy & histology / Q000502:physiology; D006439:Hemodynamics; D006801:Humans; D009200:Myocardial Contraction; D010701:Phonocardiography; D012420:Running; D013178:Sports Medicine; D014672:Vectorcardiography