Previously, we discussed **gastric reflux** and its **symptoms**.. In this article, we discuss the tests that the doctor prescribes for this disease... When the symptoms of acid reflux disease do not threaten the patient's life and the diagnosis of the disease is not clear, one or more of the following tests may be prescribed by the doctor. An upper endoscopy is usually done to evaluate the health of the esophagus. In this procedure, a small flexible tube is passed from the esophagus to the stomach and then to the small intestine. The tube has a light and a camera that displays large images. Damage to the lining of these organs can be checked and a small sample of tissue taken (biopsy). Esophageal pH studies 24-hour esophageal studies are a direct way to measure the frequency of acid reflux, although this study is not always helpful in diagnosing gastroesophageal reflux disease. It is usually prescribed for people whose diagnosis is unclear after endoscopy or testing, and for people who still have symptoms despite treatment. The esophagus records symptoms for 24 hours. The tube is connected to a small device that measures the number of times stomach acid reaches the esophagus. The data is then analyzed to determine the frequency of reflux and the correlation of reflux with symptoms.. Placement of the device is... Esophageal manometry involves swallowing a tube that measures esophageal muscle contractions. This test can help determine whether the esophageal sphincter is working properly or not... > Dr. Mehdi Afzal Aghaei, a specialist in digestive and liver diseases in Mashhad, has a specialized board > > To schedule an appointment, you can call (051) 38704066 every day... > > Office address: Mashhad, Kausar Blvd., between Kausar 2 and 4 - Farabi Building - 2nd floor **Gastroenterologist in Mashhad** ==================================== **\*Gastroenterologist in Mashhad\***s