Lower GI Bleeding. Dr. Thamer . LGI Bleeding : Abnormal hemorrhage into the lumen of the bowel from a source distal to the ligament of Treitz . 95% from the colon . Up to 40% of patients with lower GI bleeding, more than one potential source of hemorrhage is identified. .
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So , determined on an individual basis, with appropriate weight given to the presence or absence of comorbid conditions, the rate of blood loss, and the degree of hemodynamic stability.depending on the overall clinical picture, the surgeon may choose either to perform EGD to rule out a duodenal bleeding source or to proceed with colonoscopy on the assumption that the source of the bleeding is in the lower GI tract.