The pH monitor examination is used to determine acid back-up in the esophagus. It is especially useful when an endoscopy has not detected damage to the esophagus but GERD symptoms are still present in the patient.
1. I was diagnosed with acid reflux about a year ago via an endoscopy. For the last four months, I have been having symptoms in my throat despite taking Tums and Zantac. I am a smoker – could it be throat cancer? While the symptoms are most likely related to acid refluxing into the throat, if they have persisted despite…