Transseptal left heart catheterization and left atrial angiocardiography in the diagnosis of cor triatrium.
D000293:Adolescent; D000790:Angiocardiography; D006328:Cardiac Catheterization; D002302:Cardiac Output; D006325:Heart Atria; D006330:Heart Defects, Congenital / Q000175:diagnosis*; D006801:Humans; D008297:Male