Mallory—Weiss syndrome
Forceful vomiting may produce a mucosal tear
at the cardia rather than a full perforation of the oesophagus. The mechanism
of injury is different. In Boerhaave’s syndrome vomiting occurs against a
closed glottis and pressure builds up in the oesophagus. In the Mallory—Weiss
syndrome vigorous vomiting produces a vertical split which is in the gastric
mucosa