Digestive Topics : pH Probe Study
pH Probe Study
A pH probe study is a test that measures if acid is coming up from the stomach into the esophagus. The test is used when the doctor suspects the patient has gastro esophageal reflux (GERD) or to determine how effective the treatment is. To learn more about when pH probe study is used and what to expect before and after the test, download the GIKids Fact Sheet on pH Probe Study.