Evaluating the impact of position, volume, and consistency on high‐resolution esophageal manometry outcomes

Abstract

High-resolution manometry (HRM) is the gold standard investigation for the assessment of esophageal symptoms, such as dysphagia, when there are no identified structural abnormalities. Traditionally this examination has been performed in a supine position utilizing water swallows. 1 A criticism of this swallowing protocol is that physiological swallows normally occur in an upright state, and therefore