All are manometric features of achalasia except:: (A) High LES pressure, (B) Decreased LES relaxation, (C) Segmental body peristalsis, (D) Manometry helps in diagnosis
Answer is C. 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