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April 16, 2010

What a 24 Hour Multichannel pH and Impedance Testing Looks Like

I often order a special test called "24 hour Multichannel pH and Impedance Testing" when working up patients with symptoms of chronic cough, globus, phlegmy throat, and/or throat clearing.

This test measures any non-acid and well as acid reflux along with muscle contractility of the esophagus continuously over a 24 hour period of time.

The catch is that a catheter needs to be placed through the nose and into the stomach AND left in place for 24 hours. Patients often ask what this looks like... so here's a picture!
Fauquier blog
Fauquier ENT

Dr. Christopher Chang is a private practice otolaryngology, head & neck surgeon specializing in the treatment of problems related to the ear, nose, and throat. Located in Warrenton, VA about 45 minutes west of Washington DC, he also provides inhalant allergy testing/treatment, hearing tests, and dispenses hearing aids. Google+ Christopher Chang, MD Bio

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