Definition

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

Alternative Names

How the test is performed

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

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

How the test will feel

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

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

Normal Values

The test results will be negative.

What abnormal results mean

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

What the risks are

There is a risk of gagging or vomiting.

Special considerations

Images

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org). URAC's accreditation program is an independent audit to verify that A.D.A.M. follows rigorous standards of quality and accountability. A.D.A.M. is among the first to achieve this important distinction for online health information and services. Learn more about A.D.A.M.'s editorial policy, editorial process, and privacy policy. A.D.A.M. is also a founding member of Hi-Ethics and subscribes to the principles of the Health on the Net Foundation (www.hon.ch.)

The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. ©1997-2008 A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.