What is the role of early colonoscopy in the evaluation of lower gastrointestinal (GI) bleeding (LGIB)?

Updated: Jul 26, 2019
  • Author: Burt Cagir, MD, FACS; Chief Editor: BS Anand, MD  more...
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Early colonoscopy is used to determine the cause and site of massive LGIB; colonoscopy in combination with endoscopic hemostasis for colonic bleeding is safe. [5] Consider computed tomography (CT) angiography or tagged red blood cell (RBC) scintigraphy for hemodynamically unstable patients with ongoing bleeding who are not likely to tolerate bowel preparation and colonoscopy. [5]

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