Figure 4
From: Gastroesophageal reflux in Bronchiectasis and the effect of anti-reflux treatment

High-resolution color contour of HRM. In case 5, the body and LES of the esophagus function normally. However the UES resting pressure is in hypotension. The UES and LES are allies of the anti-reflux barrier either dysfunction of them can lead to trans-UES reflux which may cause microaspiration.