Melena often results from damage to the upper GI tract lining, swollen blood vessels, or bleeding disorders. The most common cause of melena is peptic ulcer disease, in which painful ulcers or sores develop in the stomach or small intestine. This can be caused by an infection of Heliobacter pylori (H.

What do black tarry stools melena most likely indicate?

Melena refers to black tarry stools, which usually occurs as a result of upper gastrointestinal bleeding. It has a characteristic tarry colour and offensive smell, and is often difficult to flush away, which is due to the alteration and degradation of blood by intestinal enzymes.

What does coffee ground stool look like?

Black specks are more noticeable when the stool is light in color than when it is darker. Visually, the black specks may look like: small, thin flecks. coffee grounds.