FiO2

[HotFratBoy]

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i'm a med student. can someone please explain to me exactly what Fi02 is? I'm having problems understanding it's concept. Also, is it fraction of inspired or forced inspiratory?

thanks

 

[lushmd]

The percent of O2 in inspired air, i.e. 21% for room air.

 

[VentdependenT]

For the different modes of delivery without an endotracheal tube

http://intranet.unchealthcare.org/site/Nursing/nurspractice/protocols/protocols_pdf/protocolo4.pdf

Roughly speaking, for every increase in 100% oxygen by 1 liter per minute (turn the oxygen knob until the float bounces on the 1 liter mark) the fio2 increases by 3%