What is a 48-hour bravo esophageal pH test?

Bravo is the first catheter-free test available to measure and record the pH in your esophagus, used to determine if you have gastroesophageal reflux disease (GERD).Most patients prefer this catheter-free test because it is more comfortable and allows them to continue their daily activities more easily.

How is a 48-hour bravo esophageal pH test performed?

A small capsule is attached to the wall of the esophagus during an upper endoscopy. For the next two days, the capsule measures pH levels in the esophagus and transmits readings to a receiver you wear at your waist. You must also maintain a diary to record when you eat, drink, lie down, get up, etc.