cause of death in severe melena and hematemesis
Esophageal Varices: Bleeding esophageal varices is a condition that may cause melena, hematemesis, or even both simultaneously. Stomach Ulcer: The bleeding is usually slow in this condition which is why it rarely manifests in the form of vomiting. The stored blood mostly leaves the body in the form of black stools.
There can be many causes of hematemesis, such as: 1  bleeding ulcers. 2  prolonged and vigorous retching that causes tears in the esophageal mucosa (known as Mallory-Weiss Syndrome) 3  gastric or intestinal varices.  vascular malfunctions of the gastroentestinal 1  tract. tumors in the stomach or esophagus.