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esophageal cancer and p. 385
LES tone in p. 378
achalasia in p. 383
achalasia p. 383
achalasia and p. 383
achalasia and p. 385
achalasia and p. 383
Achalasia is a rare disorder of the esophagus in which the lower esophageal sphincter fails to relax. This interferes with the normal movement of food and liquid from the mouth to the stomach. The main symptoms are difficulty swallowing (dysphagia) and regurgitation of food or liquid. These symptoms may get worse over time. Achalasia can also cause chest pain, heartburn, and problems with breathing.
The diagnostic workup of achalasia may involve esophageal manometry, upper GI endoscopy, and esophageal barium swallow. The treatment can require surgery to correct the defect or pneumatic dilation in which a balloon can be used to dilate narrowed segments of the esophagus. Achalasia
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