How much FIO2 do you get from that non-rebreather (NRB) mask? (aka There’s a hole in breather, dear Liza, a hole)
THE BOTTOM LINE A non-rebreather (NRB) mask ONLY delivers high FIO2 when the flow meter valve is opened fully and even then only gets to about 90%. THE DETAILS I find great joy in reading old literature. I’m pretty sure I would be camped out in a medical library if it weren’t for the interwebs, […]
Read More How much FIO2 do you get from that non-rebreather (NRB) mask? (aka There’s a hole in breather, dear Liza, a hole)