title: Chest X-ray quiz. Pneumopericardium.
authors.affiliation: St Vincent's Hospital, Sydney.
authors.forename: M
authors.initials: M
authors.lastname: Reading
mesh_terms: D001026:Coronary Artery Bypass / Q000009:adverse effects* / Q000379:methods; D003937:Diagnosis, Differential; D006801:Humans; D011026:Pneumopericardium / Q000000981:diagnostic imaging* / Q000209:etiology; D011859:Radiography