MedlinePlus Medical Encyclopedia: Bernstein test

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Bernstein test

Contents of this page:
Illustrations Alternative Names Definition How the Test is Performed How to Prepare for the Test	How the Test Will Feel Why the Test is Performed Normal Results What Abnormal Results Mean Risks

Illustrations

Stomach and stomach lining

Alternative Names Return to top

Acid perfusion test

Definition Return to top

The Bernstein test is a method to reproduce symptoms of heartburn. It is usually done with other tests to measure esophageal function.

How the Test is Performed Return to top

The test is done in a laboratory. A nasogastric (NG) tube will be inserted through your one side of your nose and down into your esophagus. Mild hydrochloric acid will be sent down the tube, followed by saline (salt water) solution. You will be asked to tell the health care team about any pain or discomfort you have during the test.

How to Prepare for the Test Return to top

You should not eat or drink anything for 8 hours before the test.

How the Test Will Feel Return to top

You may have a gagging feeling and some discomfort when the tube is put into place. The acid may cause symptoms of heartburn. Your throat may be sore 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 Results 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.

Risks Return to top

There is a risk of gagging or vomiting.

Update Date: 7/25/2006

Updated by: Jenifer K. Lehrer, MD, Department of Gastroenterology, Frankford-TorresdaleHospital, Jefferson Health System, Philadelphia, PA. Review provided by VeriMed Healthcare Network.

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