Which studies are used to evaluate suspected gastroesophageal reflux disease (GERD)?

Updated: Oct 16, 2020
  • Author: Marco G Patti, MD; Chief Editor: BS Anand, MD  more...
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The following studies are used to evaluate patients with suspected gastroesophageal reflux disease:

  • Upper gastrointestinal endoscopy/esophagogastroduodenoscopy: Mandatory

  • Esophageal manometry: Mandatory

  • Ambulatory 24-hour pH monitoring: Criterion standard in establishing a diagnosis of gastroesophageal reflux disease

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