Clinical pathologic conference.
D003937:Diagnosis, Differential; D004562:Electrocardiography; D006333:Heart Failure / Q000209:etiology / Q000473:pathology*; D006338:Heart Neoplasms / Q000175:diagnosis / Q000473:pathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009206:Myocardium / Q000473:pathology*; D009232:Myxoma / Q000175:diagnosis / Q000473:pathology*