Normal lower oesophageal sphincter pressure is
Correct Answer: 10-25 mm of Hg
Description: The normal lower oesophageal sphincter is 3-4 cm in length and has a pressure of 10-25 mmHgThe LOS is a zone of relatively high pressure that prevents gastric contents from refluxing into the lower oesophagusRef: Bailey and Love 27e pg: 1068
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