RT Book, Section A1 Lee, Linda S. A2 McKean, Sylvia C. A2 Ross, John J. A2 Dressler, Daniel D. A2 Scheurer, Danielle B. SR Print(0) ID 1137616594 T1 Acute Lower Gastrointestinal Bleeding T2 Principles and Practice of Hospital Medicine, 2e YR 2017 FD 2017 PB McGraw-Hill Education PP New York, NY SN 9780071843133 LK accessmedicine.mhmedical.com/content.aspx?aid=1137616594 RD 2024/03/28 AB Key Clinical Questions What risk factors increase the severity of lower gastrointestinal (GI) bleeding? What are the indications for tagged red blood cell scan and angiography in the setting of lower GI bleeding? What are the indications for surgery in patients with diverticular bleeding and ischemic colitis? What medical treatment options are available to treat recurrent lower GI bleeding from angiodysplasias? What is the pathophysiology of ischemic colitis?