Classic techniques like videofluoroscopy, stationary manometry, and ambulatory 24 h pH-metry are routinely used in the clinic to study patients with dysphagia, chest pain and reflux-related symptoms.

For patients who suffer from persistent symptoms of gastroesophageal reflux disease (GERD) despite therapy, the first step is symptom evaluation, said Kristle L. Lynch, MD, in a presentation at the ...