Lower gastrointestinal bleeding.
Lower gastrointestinal bleeding remains an important medical emergency. Most lower gastrointestinal bleeding is now known to come from angiodysplasia or diverticular disease. Accurate angiographic and colonoscopic diagnosis may lead to a better focus for treatment and improved survival.
D001165:Arteriovenous Malformations / Q000150:complications; D003106:Colon / Q000098:blood supply; D003108:Colonic Diseases; D004241:Diverticulum, Colon / Q000150:complications; D004630:Emergencies; D006471:Gastrointestinal Hemorrhage / Q000209:etiology; D006801:Humans