PEEP Valve correct!
I like the nasal cannula on while pre-oxygenating and leave it on while intubating. (If you can spare the O2). It's only a short time, crank that sucker up to 15 LPM and get some flow going, you won't dry out their nasal mucosa and cause harm in that time period.
It's called passive oxygenation and it increases the time your patient can be apneic before desating. It works because you are entraining the nasopharynx and airway with high flow oxygen even though you are not ventilating.
I agree Ketamine is the way to go if sedation is needed.
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