What is the efficacy of manometry in the diagnosis of esophageal spasm?

Updated: Aug 07, 2019
  • Author: Ahmad Malas, MD; Chief Editor: BS Anand, MD  more...
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Manometry is the best modality to help diagnose diffuse esophageal spasm as well as esophageal spasm as the cause of noncardiac chest pain. [14] Findings include aperistalsis in greater than 30% of the wet swallows, 20% of contractions being simultaneous, amplitudes greater than 30 mm Hg in the distal three fifths of the esophagus, and, rarely, repetitive contractions or lower esophageal sphincter (LES) dysfunction. Vigorous achalasia can easily be confused with diffuse esophageal spasm. [4]

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