title: Gastroenterology.
abstract: Rectal bleeding with signs of peritoneal irritation raises many differential diagnostic possibilities. In this setting, the order in which various tests are performed in an effort to find the source of bleeding can be as important as which diagnostic procedures are elected.
authors.affiliation: a University of Miami School of Medicine and Veterans Administration Hospital Miami.
authors.forename: Barry
authors.initials: B
authors.lastname: Kaufman
authors.affiliation: a University of Miami School of Medicine and Veterans Administration Hospital Miami.
authors.forename: Arvey I
authors.initials: AI
authors.lastname: Rogers