Upper and Lower Causes of GI Bleed

Upper:

 • Esophagus: Tear (Mallory Weiss, Boerhaave syndrome), Variceal, Esophagitis, Cancer

 • Stomach: PUD, (NSAIDs, Hpylori), Gastritis, Variceal, Cancer, AVM, GAVE, Dieulafoy lesion

 • Duodenum: PUD, Duodenitis, AVM, Cancer, telangectasia

 • Other: Aortoenteric fistula

Lower:

 • Bowel: Diverticular, Cancer, Polyps

 • Vessels: AVM, Hemorrhoids, Rectal varices, Telangectasias, Kaposi sarcoma, Mesenteric ischemia

 • Inflammatory: Ischemic colitis, Infectious colitis, UC/Chrons (IBD), Radiation



CMC IM Residency @CMC_IM



#Upper #Lower #GIBleed #differential #diagnosis #Causes #algorithm