• Responsible for about 10% of cases of acute upper GI hemorrhage
• Lesion consists of a 1- to 4-cm longitudinal tear in the gastric mucosa near the esophagogastric junction, extending through the mucosa and submucosa but not usually into the muscularis mucosae
• About 75% of these lesions are confined to the stomach; 20% straddle the esophagogastric junction; and 5% are entirely within the distal esophagus
• 67% of patients have a hiatal hernia
• In about 90% of patients, the bleeding stops spontaneously
• The majority of patients are alcoholics
• HGB may be unchanged because of acute blood loss
• Obtain CBC, type and cross, prothrombin time (PT), partial thromboplastin time (PTT), international normalized ratio (INR)
• Admission to ICU
• Laboratory tests (type and cross, CBC, PT, PTT, INR)
• NG lavage
• Upper GI endoscopy
Kortas DY. Mallory-Weiss tear: predisposing factors and predictors of a complicated course. Am J Gastroenterol.
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