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Paucis Verbis: Upper GI bleeding

Michelle Lin, MD |


Do you know what the Blatchford clinical prediction score is for upper GI bleeding? It can help you predict whether a patient with an upper GI bleed is severe and requires urgent intervention.

Hot off the presses, JAMA just came out with a great Clinical Rational Examination article on this topic. Thanks to Dr. Ryan Radecki (EMLitOfNote) for the heads up. The likelihood ratios and Blatchford risk stratification score are so useful that I’m breaking my PV rule to keep things down to the size of one index card. Note the absence of a NG lavage result to help you risk stratify for an upper GI bleed requiring urgent intervention using the Blanchard score.

Let’s say you have a patient with a Blanchard score of 0, as in the case of the JAMA example. Starting with a general 30% pretest probability that your upper GI bleed patient has a severe GI bleed, your post-test probability becomes <1% for a severe GI bleed.

PV Card: Upper GI Bleed

Adapted from [1, 2]
Go to ALiEM (PV) Cards for more resources.


  1. Kumar R, Mills A. Gastrointestinal bleeding. Emerg Med Clin North Am. 2011;29(2):239-52, viii. [PubMed]
  2. Srygley F, Gerardo C, Tran T, Fisher D. Does this patient have a severe upper gastrointestinal bleed? JAMA. 2012;307(10):1072-1079. [PubMed]

Author information

Michelle Lin, MD

ALiEM Founder and CEO
Professor and Digital Innovation Lab Director
Department of Emergency Medicine
University of California, San Francisco

The post Paucis Verbis: Upper GI bleeding appeared first on ALiEM.

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