All of the following are true about achalasia cardia except: March 2012: (A) Bird beaks appearance, (B) Absent air bubble in stomach, (C) Decreased lower oesophageal sphincter tone, (D) Absent peristalsis in the body of oesophagus
Answer is C. Ans: C, Decreased lower oesophageal sphincter toneAchalasia cardiaBarium radiology may show a tapering stricture in the distal oesophagus, often described as a 'bird's beak'. The gastric bubble is usually absent.The physiological abnormalities in achalsia cardia are non-relaxing LOS (lower oesophageal sphincter) and absent peristalsis in the body of the oesophagus.