Time required for pre-oxygenation before tracheal intubation
Correct Answer: 3 min
Description: Preoxygenation before intubation : Process of replacing nitrogen in the lungs with oxygen. Preoxygenation with tidal volume breathing of 3 mins is required before tracheal intubation. This delays the onset of critical hypoxia during the period of apnea by 5-8 minutes.
Category:
Anaesthesia
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