What is the role of ultrasonography in the workup of esophageal spasm?

Updated: Aug 07, 2019
  • Author: Ahmad Malas, MD; Chief Editor: BS Anand, MD  more...
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Catheter-based high-frequency intraluminal ultrasound imaging assesses both the sensory function and the motor function of the esophagus. [11]  This imaging modality may be useful to differentiate diffuse esophageal spasm, nutcracker esophagus, and achalasia.

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