title: A young man with chest  pain.
authors.affiliation: Department of Internal Medicine, Ålesund Hospital, Norway. marit_hedger@hotmail.com
authors.forename: Marit Høysæter
authors.initials: MH
authors.lastname: Hedger
authors.forename: Sahrai
authors.initials: S
authors.lastname: Saeed
mesh_terms: D002637:Chest Pain / Q000000981:diagnostic imaging / Q000209:etiology*; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D010493:Pericarditis / Q000150:complications / Q000175:diagnosis / Q000000981:diagnostic imaging; D011030:Pneumothorax / Q000150:complications / Q000175:diagnosis* / Q000000981:diagnostic imaging; D011859:Radiography; D055815:Young Adult