3min chapter

Mayo Clinic Talks cover image

Determining the Source of GI Blood Loss

Mayo Clinic Talks

CHAPTER

What Questions Should We Ask When Seeing Patients With GI Blood Loss?

In more than 90% of cases with vomiting of blood or coffee grounds, there's going to be a lesion that's proximal to the ligament of trites at the junction between the third and fourth portion of the duodenum. Non-strotal anti-inflammatories are a leading cause of GI blood loss. Seeing fresh red blood from below, again, not a guarantee that this is a colonic source.

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