Motility disorders of the oesophagus are best diagnosed by -: (A) Barium meal, (B) Manometry, (C) Radiography, (D) Endoscopy
Answer is B. <p>Davidson&;s principles and practice of medicine 22nd edition. *Manometry confirms the high pressure ,non relaxing lower oesophageal sphincter with poor contractility of the oesophageal body .</p>