Still trying to sort this out, but I think I've come to the conclusion that the oxygen was ordered by mistake... As I said the in home pulse oximetry test was ordered by my cardiologist. I had them send me a copy of the report and it clearly says "It appears this patient qualifies for nocturnal oxyg...

OP: are you sure you're telling us everything we need to know about your clinical situation? Did you doc not say anything else that might explain this decision? Based on what you wrote it certainly is mistifying. The doctor who ordered the in-home pulse oximeter test is my cardiologist treating me ...

Yes that's what I thought, hence my surprise that he prescribed it. I'll look into it further. thank you.

I had an in-home nighttime pulse oximetry test recently and the results showed multiple occasions of low oxygen levels while I slept. I had assumed the next step would be to send me for a full sleep study, however to my surprise the doctor instead ordered supplemental oxygen to be used at night. Has...