A member asked:

Whats the average percent of oxygen in the blood ? i'm a heavy smoker and when i got checked at triage i had 99percent it said . but scarring in lungs

A doctor has provided 1 answer
Dr. Brendan Rice answered

Specializes in Family Medicine

Quit smoking...: A normal oxygen saturation that is measured the way you are talking about is typically greater than 95% in your age range (down to as low as 90% in someone with chronic lung problems). The effects of smoking don't always show up on an oxygen saturation percentage until a chronic lung condition has set in, so don't let that lead you to believe everything is normal. I would advise quitting.

Answered 10/5/2017

4.2k views

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Blood oxygen level 100- lungs working okay?

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