Знижка - 10% на весь медичний одяг по промокоду HALAT5
Bernstein test
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.