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Occult gastrointestinal (GI) bleeding

Occult gastrointestinal (GI) bleeding is a topic covered in the Diagnosaurus.

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Emergency Central

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  • Malignancy
  • Vascular ectasias (angiodysplasias), eg, idiopathic arteriovenous malformation (AVM), CREST syndrome, hereditary hemorrhagic telangiectasias
  • Portal hypertensive gastropathy
  • Peptic ulcer disease
  • Ulcerated polyp
  • Infections, eg, hookworm, tuberculosis (TB)
  • Drugs, eg, NSAIDs, aspirin
  • Inflammatory bowel disease
  • Malabsorption, especially celiac sprue
  • Menstrual or pregnancy-associated iron loss
  • Idiopathic

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Last updated: December 1, 2014


Zeiger, Roni F.. "Occult Gastrointestinal (GI) Bleeding." Diagnosaurus, 4th ed., McGraw-Hill Education, 2014. Emergency Central, emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114458/all/Occult_gastrointestinal__GI__bleeding.
Zeiger RF. Occult gastrointestinal (GI) bleeding. Diagnosaurus. 4th ed. McGraw-Hill Education; 2014. https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114458/all/Occult_gastrointestinal__GI__bleeding. Accessed April 22, 2019.
Zeiger, R. F. (2014). Occult gastrointestinal (GI) bleeding. In Diagnosaurus. Available from https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114458/all/Occult_gastrointestinal__GI__bleeding
Zeiger RF. Occult Gastrointestinal (GI) Bleeding [Internet]. In: Diagnosaurus. McGraw-Hill Education; 2014. [cited 2019 April 22]. Available from: https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114458/all/Occult_gastrointestinal__GI__bleeding.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC T1 - Occult gastrointestinal (GI) bleeding ID - 114458 A1 - Zeiger,Roni F, Y1 - 2014/12/01/ BT - Diagnosaurus UR - https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114458/all/Occult_gastrointestinal__GI__bleeding PB - McGraw-Hill Education ET - 4 DB - Emergency Central DP - Unbound Medicine ER -