So SP02% works by placing the little clip on someones finger. It shines a beam of light and measures the intensity of the reflection and determines the O2 percentage in your blood. The intensity differs because of the amount of hemoglobin in your blood, thus giving your finger a measurable reflection.
The hemoglobin present produces the reflection in your finger as light shines on it as long as it is bonded to something. This doesn't necessarily mean Oxygen.
Carbon monoxide binds more to hemoglobin then oxygen does. Do you guys see the connection here with casualties that have come out of a FIREY building of doom with tons of smoke? Scroll down.
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It means that people with Carbon Monoxide poisoning will have 99-100% Oxygen levels! Now go ahead and treat them for Carbon Monoxide poisoning kids!
As a side note, one faulty oversight that many people have is that they forget that even thought the SP02% device on someones finger may read 97%. It doesn't mean that someone has oxygen going to all parts of the body! If they other arm was bleeding at the Brachial that means the fingers over there are definitely not getting oxygen.
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