Monday, February, 13, 2012

Stomach acid test

Table of Contents

Definition

The stomach acid test is used to measure the quantity and acidity of stomach contents.


Alternative Names

Gastric acid secretion test


How the test is performed

After not eating for a period of time, fluid is all that remains in the stomach. This fluid can be removed via a tube inserted into the stomach through the esophagus (food pipe).

To test the ability of cells in the stomach to release acid, gastrin may be injected just under the skin, into a muscle, or into a vein. The stomach contents are then removed and analyzed.


How to prepare for the test

You will be asked not to eat or drink for 4 - 6 hours before the test.


How the test will feel

You may notice some discomfort or a gagging feeling as the tube is passed through your nose or mouth, and down your esophagus.


Why the test is performed

This test may be used for a number of reasons:

  • To check if anti-ulcer medications are working
  • To check if material is coming back up from the small intestine
  • To test for the cause of ulcers


Review Date: 11/11/2010
Reviewed By: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; George F. Longstreth, MD, Department of Gastroenterology, Kaiser Permanente Medical Care Program, San Diego, CA. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org)