Lecture Notes: General Surgery

Harold Ellis, Sir Roy Calne, Christopher Watson

Multiple Choice: Chapter 20 The oesophagus

Question 1. What pressure difference can be achieved across the cardio-oesophageal sphincter before damage may occur?

A 30 mmHg
B 50 mmHg
C 80 mmHg
D 100 mmHg
E 120 mmHg