Achalasia is the best understood example of an esophageal motility disorder and characterized by esophageal aperistalsis and impaired relaxation of the lower esophageal sphincter. The histopathology ...

Dear Dr. Gott: About once a month, I get esophageal spasms, diagnosed as such by my doctor. Can you tell me what causes the spasms, how they could be prevented and what to do when they occur? I know ...

Dysphagia or difficulty swallowing usually indicates some disorder of the esophagus. An accurate, detailed history can suggest the cause of dysphagia and can enable the physician to define the cause ...