Congenital enlargement of the left atrium.
D000293:Adolescent; D000328:Adult; D006328:Cardiac Catheterization; D006332:Cardiomegaly / Q000151:congenital* / Q000000981:diagnostic imaging / Q000601:surgery; D002648:Child; D002675:Child, Preschool; D004562:Electrocardiography; D005260:Female; D006325:Heart Atria / Q000002:abnormalities* / Q000000981:diagnostic imaging / Q000601:surgery; D006330:Heart Defects, Congenital / Q000000981:diagnostic imaging / Q000601:surgery; D006439:Hemodynamics; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D010496:Pericardium; D011859:Radiography