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A member asked:
What are the causes that can contribute to a low oxygen sat reading?
A doctor has provided 1 answer
Many, many, many: There are many causes of a low oxygen sat: true low oxygen in the blood, which can be caused by a whole multitude of things like pneumonia, or scarring, or fluid, or heart failure. Sometimes, the monitor itself is not working properly, and it can give you a false reading. Nail polish can also interfere with the sat reading. Poor circulation or cold hands can do that as well.
Answered 12/28/2020
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