Pericardial effusion.
D000328:Adult; D000792:Angiography; D006332:Cardiomegaly / Q000000981:diagnostic imaging*; D003937:Diagnosis, Differential; D004452:Echocardiography; D006333:Heart Failure / Q000209:etiology; D006801:Humans; D008297:Male; D010490:Pericardial Effusion / Q000000981:diagnostic imaging*; D011877:Radionuclide Imaging