Motility
Esophageal Manometry
Esophageal manometry is a test that measures the pressure and movements of the esophagus. A thin tube, called a manometry catheter, is inserted through the nose into the esophagus.

What is it?
Esophageal manometry is a test used to measure the pressure and movements of your esophagus. This is done by inserting a thin tube, called a manometry catheter, through your nose into your esophagus.
Preparation
You must have an empty stomach for the test. However, you may take any essential daily medications with a small amount of water. Talk to your doctor to see if you need to adjust or stop taking any medications before the esophageal manometry.
Medications that should be discontinued:
- Nifedipine: Adalat
- Diltiazem: Tildiem®
- Nitrates: Coruno®, Cedocard®, Nitroderm® … Unless these medications cannot or should not be discontinued due to heart problems.
- Prucalopride: Resolor®
- Pyridostigmine: Mestinon®
- Buspirone: Buspar®
- Clebopride: Cleboril®
- Morphine and its derivatives
How does it go?
During the procedure, a thin tube (catheter) is inserted into the stomach after the inside of the nose has been numbed.
- The catheter measures the pressure in different parts of the esophagus as you swallow. You will be asked several times to swallow or drink water.
- You can continue to breathe through your mouth or nose at all times.
- Once the examination is complete, the catheter is removed.
- The exam usually takes about 15 to 30 minutes.
Side effects
Esophageal manometry is generally a safe procedure. However, there may be some potential risks and discomforts, including temporary difficulty swallowing, a sore nose or throat, minor bleeding, or infections. These complications are rare.