Spasms of the esophagus.
D000328:Adult; D000368:Aged; D003680:Deglutition Disorders / Q000000981:diagnostic imaging / Q000628:therapy; D003937:Diagnosis, Differential; D004931:Esophageal Achalasia / Q000145:classification* / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000628:therapy; D004947:Esophagus / Q000000981:diagnostic imaging; D005260:Female; D005764:Gastroesophageal Reflux / Q000000981:diagnostic imaging / Q000628:therapy; D006801:Humans; D006984:Hypertrophy / Q000000981:diagnostic imaging; D008297:Male; D008365:Manometry; D008875:Middle Aged; D009130:Muscle, Smooth; D009135:Muscular Diseases / Q000000981:diagnostic imaging / Q000628:therapy; D011859:Radiography; D013577:Syndrome; D009626:Terminology as Topic