High resolution esophageal manometry

High resolution esophageal manometry

The esophagus is a long, muscular tube that connects the throat to the stomach. Esophageal manometry is a test that shows whether the esophagus is working properly or not. It measures the rhythmic muscle contractions that occur in the esophagus when swallowing. The test also measures the force and coordination of esophageal muscles as they move food to the stomach. Esophageal manometry may be used to help diagnose diffuse esophageal spasm, achalasia, scleroderma.

How is it performed?

 

  •  Before the start of the procedure, a numbing medication is applied in the patient’s nose.
  • A catheter is guided through the nose into the esophagus. At this point, the patient may gag.
  •  After the catheter is in place, the patient may be asked to lie on their back on an exam table or they may be asked to remain seated.
  •  The patient then swallows small sips of water. At the same time, a computer connected to the catheter records the pressure, strength and pattern of the esophageal muscle contractions.
  •  During the test, the patient will be asked to breathe slowly and remain as still as possible, and swallow only when asked to.
  • The catheter may be moved down into the stomach while it continues its measurements.
  •  The catheter then is slowly withdrawn.
  • The test usually lasts about 30 minutes.

 

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