How Is Gastroesophageal Reflux Disease (GERD) Diagnosed?

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GERD can be diagnosed just based on the symptoms alone. We sometimes do a trial of giving them anti-GERD medication and if the patient feels better, we know that they have GERD. But you can also diagnose GERD through doing an endoscopy, where you actually examine the esophagus, or a pH monitor test where you actually measure the amount of acid the esophagus is facing every day.