Cardiological problems at school.
D001794:Blood Pressure; D002648:Child; D002675:Child, Preschool; D006330:Heart Defects, Congenital; D006331:Heart Diseases / Q000175:diagnosis* / Q000209:etiology; D006347:Heart Sounds; D006801:Humans; D008297:Male; D009205:Myocarditis / Q000209:etiology; D005082:Physical Exertion; D011602:Psychophysiologic Disorders; D012214:Rheumatic Heart Disease; D012572:School Health Services; D013575:Syncope / Q000209:etiology