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What is a manometry test?

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A doctor orders an esophageal manometry test to determine the functionality of the esophagus, according to Mayo Clinic. The test measures rhythmic muscle contractions during swallowing. It also measures the coordination of the muscles and the force they exert.

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The test, which involves routing a catheter that contains sensors through the nose into the stomach, evaluates the motility of food through the esophagus, advises Mayo Clinic. Doctors use the test to measure how well the muscles around the esophagus open and close and the pattern and strength of the muscle contractions when the patient swallows food. Generally, doctors order the test to evaluate difficult or painful swallowing.

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