melanotic or melena Hematochezia vs melena: Comparing symptoms, causes, and treatment Word of the day: Melena/

Word of the day: Melena melaena Melena refers to the black, "tarry" feces that are associated with upper gastrointestinal bleeding. The black color is caused by the hemoglobin in the blood melena is overwhelmingly associated with UGIB rather than with lower GI bleeding (LGIB), which is distal to the duodenojejunal junction at the ligament of Treitz. Melena of less than 24 hour Primary melanoma of the gastrointestinal tract Understanding Melena: What Does It Mean When You Have Dark Stools? Fortis Healthcare

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