An esophageal pH test measures the pH, or amount of acid, that flows into the esophagus from the stomach during a 24-hour period. The patient does not need to be in the hospital for this test.
An esophageal pH test measures the pH, or amount of acid, that flows into the esophagus from the stomach during a 24-hour period. The patient does not need to be in the hospital for this test.
