What are the signs and symptoms of angiodysplasia-related lower gastrointestinal (GI) bleeding (LGIB)?

Updated: Jul 26, 2019
  • Author: Burt Cagir, MD, FACS; Chief Editor: BS Anand, MD  more...
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Significant angiodysplasia-related bleeding, like diverticular bleeding, presents as painless, self-limited hematochezia or melena; angiodysplasia-related bleeding is venocapillary. Unlike diverticular bleeding, angiodysplasia tends to cause slow but repeated bleeding episodes. Therefore, patients may present with guaiac-positive stools, iron-deficiency anemia, and syncope. Occasionally, patients can present with large-volume bleeding.

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