Figure 10 - Representative recording of esophageal motility from a patient with achalasia.
From the following article
Richard H. Holloway
GI Motility online (2006)
doi:10.1038/gimo30
Note the following features: (1) incomplete LES relaxation with swallowing, (2) absent peristalsis—only low-amplitude spontaneous activity is present, and (3) intraesophageal pressure that is higher than intragastric pressure.
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