Familial atrial myxoma.
D000293:Adolescent; D006328:Cardiac Catheterization; D004452:Echocardiography; D004562:Electrocardiography; D006325:Heart Atria; D006338:Heart Neoplasms / Q000175:diagnosis / Q000235:genetics*; D006801:Humans; D007702:Kinetocardiography; D008297:Male; D009232:Myxoma / Q000175:diagnosis / Q000235:genetics*; D011651:Pulmonary Artery / Q000000981:diagnostic imaging; D011859:Radiography