RT Book, Section A1 Lo, Bruce M. A2 Tintinalli, Judith E. A2 Stapczynski, J. Stephan A2 Ma, O. John A2 Yealy, Donald M. A2 Meckler, Garth D. A2 Cline, David M. SR Print(0) ID 1132929599 T1 Lower Gastrointestinal Bleeding T2 Tintinalli’s Emergency Medicine: A Comprehensive Study Guide, 8e YR 2016 FD 2016 PB McGraw-Hill Education PP New York, NY SN 9780071794763 LK accessmedicine.mhmedical.com/content.aspx?aid=1132929599 RD 2024/03/29 AB Lower GI (LGI) bleeding is the loss of blood from the GI tract distal to the ligament of Treitz. LGI bleeding is a common problem in emergency medicine and should be considered potentially life threatening until proven otherwise.