• Do not eat or drink for 8 hours before your test • Return to the GI lab the following day to drop off the recorder and have the catheter safely removed PREPARING FOR YOUR PROCEDURE: Medications Check with the doctor who ordered your 24 hour pH imped

Esophageal pH monitoring is performed by passing a thin plastic catheter a sixteenth of an inch in diameter through one nostril, down the back of the throat, and into the esophagus as the patient swallows. The tip of the catheter contains a sensor that se

After administering a local anesthesia, your physician will place a Digitrapper™ reflux catheter into your esophagus. The catheter probe is connected to a small recording device called a pH recorder. Throughout the test period, the Digitrapper ™ reflu