Mallory-Weiss syndrome pathophysiology

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief:

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Overview

The exact pathogenesis of Mallory-Weiss syndrome is not fully understood.
It is thought that Mallory-Weiss syndrome is the result of sudden increase in intraabdominal pressure that causes mucosal lacerations. If the tear involves the esophageal venous or arterial Plexus,bleeding occurs.^[1]

↑ Byrne, John J.; Moran, John M. (1965). "The Mallory-Weiss Syndrome". New England Journal of Medicine. 272 (8): 398–400. doi:10.1056/NEJM196502252720805. ISSN 0028-4793.