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North Texas Heartburn and Reflux Center
A Division of MASTER CENTER® of North Texas

North Texas Heartburn and Reflux Center


Diagnostic Testing Patient Instructions:


Prior to any diagnostic testing or procedure, your stomach needs to be completely empty. That means you should not have anything to eat or drink after mid-night prior to the test. If you take morning medicines for diabetes, high blood pressure, cardiac conditions or other prescription drugs, check with the pre-op nurse at the hospital or with our office regarding how to proceed. 


 Esophagogastroduodenoscopy (EGD) - This test is performed under sedation, which is administered by an anesthesiologist who may provide additional instructions regarding issues such as required blood work, EKG, chest x-ray or cardiac clearance.


 Bravo - 48 Hour pH Monitor - This test involves the placement of a small capsule in the esophagus, and is performed under sedation, during an EGD. In addition to the general instructions it is IMPORTANT that you be completely off ALL Acid Suppressing Medicationsfor at least 5 days prior to the test, and throughout the duration of the test. This includes any of the following medications, whether you take them as a prescription or over the counter. These include the following medications: Nexium - Esomeprazole, Prilosec - Omeprazole, Prevacid - Lansoprazole, Protonix - Pantoprazole, Aciphex - Rabeprazole, Dexilant - Dexlansoprazole,  Zegerid - Omeprazole, Pepcid - Famotidine, Zantac - Ranitidine, and Tagamet - Cimetidine


You may take antacids such as Tums, Rolaids, Mylanta, etc. as needed to control any acid related symptoms during the 5 day period prior to the test, but these also should be avoided during the 48 hour test. Esophageal Motility Study - This test is performed with you awake, and the only instruction is nothing to eat or drink for at least eight hours prior to the test.


 Upper GI X-ray - This test is performed with you awake, and the only instruction is nothing to eat or drink for at least eight hours prior to the test.


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 Pretest assessment is required at the hospital

DATE: _____________________

TIME: _____________________ 


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Your procedure is scheduled to be performed at Texas Health Southlake Hospital

DATE: _____________________

TIME: _____________________

YOUR ARRIVAL TIME: _____________________


If you have any questions regarding these instruction or your scheduled testing

please call the office at 817-749-0206