Idiopathic enlargement of the right atrium. Report of four cases.
D000293:Adolescent; D000328:Adult; D006328:Cardiac Catheterization; D009202:Cardiomyopathies / Q000473:pathology / Q000503:physiopathology; D005260:Female; D006321:Heart / Q000000981:diagnostic imaging; D006325:Heart Atria; D006801:Humans; D008099:Liver / Q000503:physiopathology; D008111:Liver Function Tests; D008297:Male; D009206:Myocardium / Q000473:pathology; D011859:Radiography