title: The importance of echocardiography in the assessment of left ventricular hypertrophy in trained and untrained schoolchildren.
mesh_terms: D000293:Adolescent; D006332:Cardiomegaly / Q000175:diagnosis* / Q000209:etiology / Q000503:physiopathology; D004452:Echocardiography; D005260:Female; D006801:Humans; D008297:Male; D009200:Myocardial Contraction; D010806:Physical Education and Training; D013177:Sports; D013550:Swimming