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Bernstein test

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Illustrations

Stomach and stomach lining
Stomach and stomach lining

Alternative names    Return to top

Acid perfusion test

Definition    Return to top

The Bernstein test attempts to reproduce symptoms of heartburn. It is usually done along with other tests dealing with esophageal functions.

How the test is performed    Return to top

The test is done in a laboratory. A nasogastric (NG) tube will be inserted through your nostril and down into your esophagus. An infusion of mild hydrochloric acid is introduced through the tube, alternating with a saline solution, and you will be asked to report any discomfort you experience during the test.

How to prepare for the test    Return to top

You should not consume any food or fluid for 8 hours before the procedure.

Infants and children:
The preparation you can provide for this test depends on your child's age, previous experiences, and level of trust. For general information regarding how you can prepare your child, see the following topics:

How the test will feel    Return to top

You may experience some discomfort as the NG tube is placed. You may feel symptoms of heartburn while the hydrochloric acid solution is being administered.

You may have a mild sore throat after the test.

Why the test is performed    Return to top

The test attempts to reproduce symptoms of gastroesophageal reflux (stomach acids coming back up into the esophagus).

Normal Values    Return to top

The test results will be negative.

What abnormal results mean    Return to top

Positive test indicates that the symptoms are caused by esophageal reflux.

What the risks are    Return to top

There is a risk of gagging or vomiting.

Update Date: 7/16/2004

Updated by: Christian Stone, M.D., Division of Gastroenterology, Washington University in St. Louis School of Medicine, St. Louis, MO. Review provided by VeriMed Healthcare Network.

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