melena in a sentence

Definition

Melena is the passage of dark, tarry stools, often indicative of gastrointestinal bleeding.

Melena can be a sign of a gastrointestinal bleed that requires immediate medical attention.
The doctor noted that the patient presented with melena, indicating potential issues in the upper digestive tract.
After consuming a large amount of iron supplements, he was surprised to notice melena in his stool.
In cases of melena, it's essential to identify the source of the bleeding to provide appropriate treatment.
She was alarmed when her husband reported experiencing melena after having dinner at a new restaurant.