A problem that should not have happened.
D000368:Aged; D006328:Cardiac Catheterization / Q000009:adverse effects*; D002305:Cardiac Tamponade / Q000209:etiology*; D006801:Humans; D007263:Infusions, Parenteral; D008297:Male; D010490:Pericardial Effusion / Q000000981:diagnostic imaging / Q000209:etiology*; D011859:Radiography