Lower GI bleeding; GI bleeding; Upper GI bleeding
Definition of Gastrointestinal bleeding
Gastrointestinal (GI) bleeding refers to any bleeding that starts in the gastrointestinal tract, which extends from the mouth to the anus.
David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; and George F. Longstreth, MD, Department of Gastroenterology, Kaiser Permanente Medical Care Program San Diego, California. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc. – 1/28/2009