Figure 9 - Examples of evaluation of swallow-induced UES relaxation using sleeve device.
From the following article
How to perform esophageal manometry
R. Shaker and C. Hofmann
GI Motility online (2006)
doi:10.1038/gimo90
Owing to orad movement of the UES during swallowing, pressure recordings using a side-hole or isolated recording sites will not measure true swallow-induced UES relaxation. Use of a sleeve device that records the highest pressure along its entire length overcomes this problem. Examples of UES relaxation during two dry swallows are shown.
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