[Case of atrial septal defect in the aged presenting as an atypical heart murmur].
D000368:Aged; D006328:Cardiac Catheterization; D004562:Electrocardiography; D006326:Heart Auscultation; D006344:Heart Septal Defects, Atrial / Q000150:complications / Q000175:diagnosis*; D006801:Humans; D008297:Male; D008944:Mitral Valve Insufficiency / Q000150:complications; D010701:Phonocardiography