esophageal manometry

(redirected from esophageal acid study)


the measurement of pressure by means of a manometer.
esophageal manometry a diagnostic study to assess the competence of the lower esophageal sphincter. A catheter sheathed with a water-filled balloon is inserted nasally and advanced into the esophagus; a series of measurements reflecting esophageal resting pressures are taken as the catheters are moved.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

e·soph·a·ge·al ma·nom·e·try

measurement of intraesophageal pressures at one or more sites by intraluminal pressure-sensitive instruments.
Farlex Partner Medical Dictionary © Farlex 2012

Esophageal manometry

A test in which a thin tube is passed into the esophagus to measure the degree of pressure exerted by the muscles of the esophageal wall.
Mentioned in: Achalasia
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.