Cardiospasm | definition of cardiospasm by Medical dictionary
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achalasia of the esophagus.
failure of normal relaxation of the lower esophageal sphincter associated with uncoordinated contractions of the thoracic esophagus, resulting in functional obstruction and difficulty swallowing.
e·soph·a·ge·al a·cha·la·si·a (ĕ-sof'ă-jē'ăl ak'ă-lā'zē-ă)
cardiospasm Tight contraction and failure to relax (ACHALASIA) of the muscle ring (sphincter) at the lower end of the gullet (the CARDIA). This causes obstruction to the passage of food. Cardiospasm has nothing to do with the heart, but relates to the CARDIA.