Bernstein testAcid perfusion test
Heartburn is a painful burning feeling just below or behind the breastbone. Most of the time, it comes from the esophagus. The pain often rises in ...
Esophageal manometry is a test to measure how well the esophagus is working.
How the Test is Performed
The test is done in a gastroenterology laboratory. A nasogastric (NG) tube is passed through one side of your nose and into your esophagus. Mild hydrochloric acid will be sent down the tube, followed by salt water (saline) solution. This process may be repeated several times.
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 will be asked not to 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 in place. The acid may cause symptoms of heartburn. Your throat may be sore after the test.
Why the Test is Performed
The test tries to reproduce symptoms of gastroesophageal reflux (stomach acids coming back up into the esophagus). It is done to see if you have the condition.
Gastroesophageal reflux disease (GERD) is a condition in which the stomach contents leak backward from the stomach into the esophagus (food pipe). F...
The test results will be negative.
What Abnormal Results Mean
A positive test shows that your symptoms are caused by esophageal reflux of acid from the stomach.
There is a risk of gagging or vomiting.
Bremner RM, Mittal SK. Esophageal symptoms and selection of diagnostic tests. In: Yeo CJ, ed. Shackleford's Surgery of the Alimentary Tract. 8th ed. Philadelphia, PA: Elsevier; 2019:chap 5.
Kavitt RT, Vaezi MF. Diseases of the esophagus. In: Flint PW, Haughey BH, Lund V, et al, eds. Cummings Otolaryngology: Head and Neck Surgery. 6th ed. Philadelphia, PA: Elsevier Saunders; 2015:chap 69.
Pandolfino JE, Kahrilas PJ. Esophageal neuromuscular function and motility disorders. In: Feldman M, Friedman LS, Brandt LJ, eds. Sleisenger and Fordtran's Gastrointestinal and Liver Disease: Pathophysiology/Diagnosis/Management. 10th ed. Philadelphia, PA: Elsevier Saunders; 2016:chap 43.
Stomach and stomach lining - illustration
The stomach connects the esophagus to the small intestines and is where the majority of food digestion takes place.
Stomach and stomach lining
Review Date: 10/27/2018
Reviewed By: Michael M. Phillips, MD, Clinical Professor of Medicine, The George Washington University School of Medicine, Washington, DC. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.