GI Emergencies: A Quick Reference Guide

Robert C. Lowe, MD; Francis A. Farraye, MD, MSc

Chapter 3: Acute Lower Gastrointestinal Bleeding (continued)

Hillary Tompkins, MD; Audrey H. Calderwood, MD

You receive the following call from the emergency department (ED): We would like your advice regarding a 66-year-old man who had 2 painless bowel movements with bright red blood 4 hours ago at home and one just now while in the ED. He has had no previous episodes of bleeding. He states that he “feels okay,” just a little “tired.” He is still having “maroon stool with copious bright red blood and some clots.” His pulse is 115 and blood pressure (BP) is 100/70. He is alert and oriented but appears very pale, and his abdomen is benign. Lower…