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Upper gastrointestinal bleeding (Hematemesis).

Publication: Clinical Reference Systems
Publication Date: 24-MAY-06 		Format: Online
Delivery: Immediate Online Access
Full Article Title: Upper gastrointestinal bleeding (Hematemesis).(Disease/Disorder overview)

Article Excerpt
What is hematemesis?

Hematemesis is the vomiting of blood. The bleeding is usually from the upper gastrointestinal (GI) tract. This means the bleeding may be from the esophagus (the tube that connects the mouth and stomach), the stomach, or the upper small intestine (duodenum).

How does it occur?

The most common cause of upper GI bleeding is an ulcer in the stomach or small intestine.

Irritation of the stomach (gastritis) or esophagus (esophagitis) can also cause bloody vomit. Medicines such as aspirin, ibuprofen, and naproxen are common causes of stomach and esophagus irritation.

Another common cause of bleeding is liver disease. When the liver has scars from cirrhosis, the veins around the esophagus become swollen, like varicose veins of the legs. The veins may bleed suddenly after you cough or vomit, or they may bleed for no apparent reason.

Sometimes the esophagus bleeds because it is torn. These tears may happen after forceful coughing or vomiting, especially, for example,...

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