Dysmotility, Esophageal

Medical Condition:
Dysmotility, Esophageal

Disorders affecting the motor function of the upper or lower esophageal sphincters, the esophageal body, or a combination of these parts. The failure of the sphincters to maintain a tonic pressure may result in the impeding of the passage of food, regurgitation of food, or reflux of gastric acid into the esophagus.