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Figure 1. Example of High-resolution Manometry with Esophageal Pressure Topography
Single swallow initiated at the upper esophageal sphincter (UES) showing normal esophageal body peristalsis and normal lower esophageal sphincter (LES) relaxation; LES relaxation is measured over a 10 second period as indicated by the black box and calculation of the integrated relaxation pressure (IRP).