UMEM Educational Pearls

Category: Gastrointestional

Title: Gastrointestional Bleeding

Keywords: Gi Bleed, Diveriticular, Bleed, (PubMed Search)

Posted: 9/22/2007 by Michael Bond, MD (Updated: 10/19/2019)
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Gastrointestional Bleeding Pearls. [Quick Facts]
  • Peptic ulcer disease has 2 main etiologies: 1) Helicobacter pylorus infection and 2) NSAID use. Zollinger Ellison Syndrome causes 1% of peptic ulcer disease.
  • Hemorrhage is the most common complication of peptic ulcer disease, occurring in 15% of patients
  • 25% of patients over the age of 60 years have an AV malformation.
  • The most common cause of significant lower GI bleeding in the elderly is diverticulosis or angiodysplasia. That typically presents as painless bright red rectal bleeding.
  • AV malformations are the number 2 cause of massive lower gastrointestinal hemorrhage.
  • Rectal bleeding following AAA repair is from aortoenteric fistula until proven otherwise.