Esophageal motility and reflux testing - State-of-the-art and clinical role in the twenty-first century

Esophageal function testing has an important place in the investigation of a significant proportion of patients with esophageal disorders. Appropriate application of these tests requires a proper understanding of their capabilities and limitations and careful primary assessment by other modalities. This article discusses fluoroscopy, esophageal manometry, and esophageal pH monitoring as methods of esophageal function testing.