esophageal spasm

Esophageal spasm is characterized as propulsive movement or peristalsis of the esophagus. In this condition, the usual propulsive contraction that drives food via the esophagus are substituted in a periodic manner by non-propulsive contractions or disproportionate muscular contractions or pressure of the lower esophageal sphincter opens and ends strangely. The precise cause is not recognized […]