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Mallory-Weiss tear

Definition:
A Mallory-Weiss tear occurs in the mucous membrane at the junction of the esophagus and the stomach, causing bleeding.

Alternative Names:
Mucosal lacerations - gastroesophageal junction

Causes, incidence, and risk factors:

Mallory-Weiss tears are usually caused by forceful or prolonged vomiting or coughing. They may also be caused by epileptic convulsions.

The tear may be followed by vomiting bright red blood or by passing blood in the stool. Any condition that leads to violent and lengthy bouts of coughing or vomiting can cause these tears.

The incidence is 4 in 100,000 people.



Review Date: 1/13/2003
Reviewed By: Andrew J. Muir, M.D., M.H.S., Division of Gastroenterology, Duke University Medical Center, Durham, NC. Review provided by VeriMed Healthcare Network.

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