Aneurysmal dilatation of the left atrial appendage.
D000790:Angiocardiography; D001282:Atrial Flutter / Q000209:etiology*; D006328:Cardiac Catheterization; D002932:Cineangiography; D006322:Heart Aneurysm / Q000151:congenital*; D006330:Heart Defects, Congenital; D006334:Heart Function Tests; D006801:Humans; D008875:Middle Aged