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Discussion

room air

Can anyone tell me the percentage of oxygen in room air?

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My book says 21% and that is what instructor says too.

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thank you for inquiring with your instructor. 21% is what i found too but I wasnt sure. thanks again

My book says 21% and that is what instructor says too.

You bet!

My book says 21% and that is what instructor says too.

Of course, that's a theoretical number.

All depends on the room... number of people in it, whether fresh air is circulated / exchanged frequently, etc.

A nurse at our hospital (he's in his early 30s and healthy) could only achieve a 98% pulse ox reading until he stepped outside for several minutes and breathed deeply. Then he hit 100%.

Lot of stale rooms out there.

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