Acute lower gastrointestinal bleeding.
Lower gastrointestinal bleeding ranges from occult blood loss to massive hemorrhage and shock. There are many causes but diverticulitis and angiodysplasia remain the most common sources of major hemorrhage. This article emphasizes the cause and evaluation of moderate to severe acute lower gastrointestinal bleeding.
DeMarkles
M P
MP
Gastroenterology Service, Walter Reed Army Medical Center, Washington, DC.
Murphy
J R
JR
D000208:Acute Disease; D016099:Endoscopy, Gastrointestinal; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis* / Q000209:etiology / Q000628:therapy; D006801:Humans; D007410:Intestinal Diseases / Q000175:diagnosis* / Q000209:etiology / Q000628:therapy; D007420:Intestine, Large / Q000000981:diagnostic imaging; D007421:Intestine, Small / Q000000981:diagnostic imaging; D010808:Physical Examination; D011859:Radiography; D011877:Radionuclide Imaging