Technique to prolongs "safe apnea time" (time until desaturation to SaO2=88-90% after induction of apnea). This increases time for laryngoscopy/intubation.
Used as an adjunct to preoxygenation: used to prolong<unk>  after optimal preoxygenation
Low cost in terms of resources and set-up
Apneic oxygenation
ECG axis
Mask squeeze
Lung recruitment maneuver
Breath-holding spell
Hypopyon
Ventilation modes
CO2 narcosis