title: Tension pneumoperitoneum due to perforated duodenal ulcer.
authors.forename: M
authors.initials: M
authors.lastname: Burns
authors.forename: M
authors.initials: M
authors.lastname: Joyce
authors.forename: P W
authors.initials: PW
authors.lastname: Eustace
mesh_terms: D000368:Aged; D003937:Diagnosis, Differential; D004381:Duodenal Ulcer / Q000150:complications*; D005260:Female; D006801:Humans; D010439:Peptic Ulcer Perforation / Q000150:complications*; D011027:Pneumoperitoneum / Q000000981:diagnostic imaging / Q000209:etiology*; D011859:Radiography