What is esophageal impedance-pH study?

Also known as: 24-hour pH impedance, 24-hour esophageal impedance pH test.

The pH of something refers to its acidity on a scale. An esophageal pH-impedance study is a test performed in the esophagus that helps to diagnose acid and non-acid reflux.

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Reviewed by: Carrie Firestone Baum, MD

This page was last updated on: 1/29/2019 3:21:13 PM