Esophageal Achalasia
Synonyms
Achalasia
Achalasia, Esophageal
Achalasias
Achalasias, Esophageal
Cardiospasm
Cardiospasms
Esophageal Achalasias
Megaesophagus
A motility disorder of the ESOPHAGUS in which the LOWER ESOPHAGEAL SPHINCTER (near the CARDIA) fails to relax resulting in functional obstruction of the esophagus, and DYSPHAGIA. Achalasia is characterized by a grossly contorted and dilated esophagus (megaesophagus).