melenic vs melanotic stool » The Rectal Bleeding Rainbow Melaena - Causes - Diagnoses
Melaena Causes Diagnoses Management TeachMeSurgery Causes of Melena and Effective Examination Strategies in Children PMC Gastrointestinal Medical Terms Melena Black, tarry, foul smelling stool Indicates upper GI bleed (digested blood) Common causes: Peptic ulcer, varices Not bright red blood Hematochezia Bright red blood Know Your Stool Physiology Video USMLE Step 1
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