Boerhaave syndrome laboratory findings

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Laboratory Findings

Laboratory findings often are nonspecific.

Patients may present with leukocytosis. As many as 50% of patients with Boerhaave syndrome have a hematocrit value of 50% due to fluid loss into pleural spaces and tissues.

Many patients present with a pleural effusion. Thoracentesis with examination of the pleural fluid can aid in diagnosis which may contain undigested food, pH less than 6, or have an elevated amylase level.