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What is The cricoid pressure applied should approximately have following pressure- and explain in detail?
Cricoid pressure describes the backward displacement of the complete cailaginous cricoid ring against the cervical veebrae to occlude the hypopharynx. The technique usually involves the application of a 10 N force before induction; increasing this force to 30 N on loss of consciousness. Thiy Newtons are considered enough to maintain a barrier pressure, but minimize airway obstruction or distoion. It should be removed immediately if active vomiting occurs as there is a risk of oesophageal rupture.