Stomach acid test
The stomach acid test is a test to evaluate the capacity of the parietal cells in the stomach to secrete acid. The test is performed by aspirating fluid through a tube that is inserted down the esophagus to the stomach. This test may be used to test for the cause of ulcers, to detect duodenal regurgitation, to evaluate the cause of malabsorption, to assess the adequacy of anti-ulcer medications, and to evaluate secretion of gastrin.
Last reviewed 10/8/2012 by George F. Longstreth, MD, Department of Gastroenterology, Kaiser Permanente Medical Care Program, San Diego, California. Also reviewed by A.D.A.M. Health Solutions, Ebix, Inc., Editorial Team: David Zieve, MD, MHA, David R. Eltz, and Stephanie Slon.
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