Cor triatriatum. Diagnosis by echocardiography.
D000328:Adult; D000790:Angiocardiography; D006328:Cardiac Catheterization; D004452:Echocardiography; D006325:Heart Atria; D006330:Heart Defects, Congenital / Q000175:diagnosis*; D006337:Heart Murmurs; D006801:Humans; D008297:Male; D011667:Pulmonary Veins / Q000002:abnormalities* / Q000503:physiopathology