title: Chest X-ray quiz.
authors.forename: Marea
authors.initials: M
authors.lastname: Reading
mesh_terms: D000369:Aged, 80 and over; D006351:Heart Valves / Q000601:surgery; D006801:Humans; D008297:Male; D008478:Mediastinal Emphysema / Q000000981:diagnostic imaging*; D011026:Pneumopericardium / Q000000981:diagnostic imaging*; D011184:Postoperative Period; D011859:Radiography