Video 6 - Normal subject.

From the following article

Esophageal motility disorders

W.G. Paterson, Raj K. Goyal and Fortunée Irene Habib

GI Motility online (2006)


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In normal subjects, swallowing is associated with opening of the upper and the lower esophageal sphincter and sequential peristaltic wave that pushes the tail of barium ahead of it. Normal esophageal clearing time is around 13 seconds.

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