All are manometric features of achalasia except:
Ans. (c) Segmental body peristalsisRef: Sabiston 20th Edition, Pages 1015-1018Manometry findings in Achalasia:* LES will be hypertensive* LES fails to relax with deglutition* Body of esophagus has increased pressure* No evidence of progressive peristalsisLow amplitude wave forms
High LES pressure
Decreased LES relaxation
Segmental body peristalsis
Manometry helps in diagnosis
Oesophagus