by / Wednesday, 20 October 2010 / Published in Pathology

Achalasia is a condition whereby the lower esophageal sphincter fails to relax. This is an esophageal motility disorder that involves the smooth muscle layer of the esophagus and the lower esophageal sphincter. Charaterized by an incomplete relexation of the lower esophageal sphincter, increased lower esophageal sphincter tone, and a lack of peristalsis in the esophagus.

– Dysphagia
– Regurgitation
– Chest pain

There are a few reasons why this may happen, they include:
– Chaga’s disease
– Loss of myenteric plexus
– Esophageal carcinoma

The best diagnostic tool for this condition is a barium swallow.

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