How is a jackhammer esophageal spasm distinguished on manometry?

Updated: Aug 07, 2019
  • Author: Ahmad Malas, MD; Chief Editor: BS Anand, MD  more...
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Answer

Jackhammer esophagus is an extreme phenotype of hypertensive contraction characterized by a DCI greater than 8000 mm Hg/s/cm. This phenotype is never found in asymptomatic patients. [18]


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