Definition of Bernstein test

1. Heartburn: Foods to Eat, Foods to Avoid Slideshow Pictures
2. Digestive Disease Myths Slideshow Pictures
3. Take the GERD Quiz

Bernstein test: A test to find out if heartburn is caused by acid in the esophagus, and so to diagnose GERD (gastroesophageal reflux disease). The test involves dripping a mild acid, similar to stomach acid, through a tube placed in the esophagus. Also known as esophageal acid infusion test.