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What is All of the following are true about achalasia cardia except: March 2012 and explain in detail?
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.