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The purpose of an esophageal manometry procedure (also called an esophageal motility study) is to see if the esophagus is contracting and relaxing properly. The test helps diagnose any swallowing problems. Your physician may request that this test be performed if you have symptoms of acid reflux or problems swallowing.
A thin, pressure-sensitive tube is passed through your mouth or nose and into your stomach. Once in place, the tube is pulled slowly back into your esophagus.
When the tube is in your esophagus, you'll be asked to swallow. The pressure of the muscle contractions will be measured along several sections of the tube.
While the tube is in place, other studies of your esophagus may be performed. The esophageal motility test takes about one hour.
You won't be able to have foods and liquids until your gag reflex returns to ensure that you don't choke.
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