Which esophageal manometry findings are characteristic of Zenker diverticulum?

Updated: Oct 16, 2020
  • Author: Joel A Ernster, MD; Chief Editor: Arlen D Meyers, MD, MBA  more...
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The studies that have been performed show upper esophageal sphincter pressures that can be either normal or decreased. Some patients have abnormal premature relaxation and contractions of the upper esophageal sphincter, while others have pharyngeal contractions against a closed sphincter. [9, 11, 12, 13]

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