melenic versus melanotic stool Hematochezia vs Melena: Symptoms, Causes, Diagnosis, Treatment Melena is defined as: A)

Melena is defined as: A) Bright red blood per rectum B) Black, tarry stool due to digested blood C) Yellow fatty stool D) Green mucus stool Hematochezia vs melena: Comparing symptoms, causes, and treatment GASTROINTESTINAL HEMORRHAGE (2): Melena. Melena, the passage of black, tarry stools, usually implies blood loss greater than 500 ml originating anywhere between the oropharynx and the right hemicolon. Melena occurs most often melenic or melanotic stools Why is my poop green? Stool colors explained

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