Cricopharyngeus dysfunction and acute dysphagia.
D000208:Acute Disease; D000368:Aged; D002356:Cartilage / Q000000981:diagnostic imaging / Q000502:physiology; D003680:Deglutition Disorders / Q000503:physiopathology*; D005260:Female; D006801:Humans; D009119:Muscle Contraction; D009132:Muscles / Q000502:physiology / Q000503:physiopathology*; D010614:Pharynx / Q000000981:diagnostic imaging / Q000502:physiology / Q000503:physiopathology*; D011859:Radiography