title: Young Man With Abdominal Pain.
authors.affiliation: Department of Emergency Medicine, Brigham and Women's Hospital, Boston, MA; Department of Emergency Medicine, Massachusetts General Hospital, Boston, MA; Department of Emergency Medicine, Harvard Medical School, Boston, MA.
authors.forename: Paul S
authors.initials: PS
authors.lastname: Jansson
authors.affiliation: Department of Emergency Medicine, Brigham and Women's Hospital, Boston, MA; Department of Emergency Medicine, Harvard Medical School, Boston, MA.
authors.forename: John J
authors.initials: JJ
authors.lastname: Eicken
authors.affiliation: Department of Emergency Medicine, Brigham and Women's Hospital, Boston, MA.
authors.forename: Janet E
authors.initials: JE
authors.lastname: Hoyler
authors.affiliation: Department of Emergency Medicine, Brigham and Women's Hospital, Boston, MA; Department of Emergency Medicine, Harvard Medical School, Boston, MA.
authors.forename: Joshua S
authors.initials: JS
authors.lastname: Rempell
mesh_terms: D015746:Abdominal Pain / Q000209:etiology*; D041881:Cholecystitis, Acute / Q000150:complications / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D014463:Ultrasonography; D055815:Young Adult