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AHI'S
I have been back on my bipap for 2 days. after a swollen face and tooth absess prevented me wearing for 8 days. The ahi reading fot the past 7 days, even though I only used it 2, was 24. How is the reading calculated? Any ideas anyone?
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Replies to This Discussion
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Permalink Reply by Tigers Fan on
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Your 7 day AHI is the average AHI for each of the seven nights. You only used for two nights so the reading is the average of two nights - and thus may be wildly inaccurate in terms of a seven day average but the machine has nowhere else to display the figure. After seven nights usage, you will get the accurate figure. Remember, the machine is looking for trends, not one or two night specifics.
If the 24 reading does not reduce significantly with each extra night of usage, you need to look at what is wrong. With a swollen face and tooth absess, we can guess that you have other swollen parts in and around your airway - which would lead to high AHI.
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Permalink Reply by Carolyn Tipping on
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Thanks for reply, Tigers Fan. I thought it couldn't be right. I'll see if it comes down after 7. What will happen if *PAP treatment doesn't work for me?
Tigers Fan said:
Your 7 day AHI is the average AHI for each of the seven nights. You only used for two nights so the reading is the average of two nights - and thus may be wildly inaccurate in terms of a seven day average but the machine has nowhere else to display the figure. After seven nights usage, you will get the accurate figure. Remember, the machine is looking for trends, not one or two night specifics.
If the 24 reading does not reduce significantly with each extra night of usage, you need to look at what is wrong. With a swollen face and tooth absess, we can guess that you have other swollen parts in and around your airway - which would lead to high AHI.
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Permalink Reply by Kath Hope on
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Don't worry about that Carolyn, as most people who fail at PAP are those who don't or won't tolerate it, and you are working very hard with yours. The biggest factor is finding the correct pressure and whether a constant or automatic pressure works for you best. See how those readings are after 7 days and like TF said, bear in mind that until all the internal swelling goes down things won't be perfect!
Carolyn Tipping said:
Thanks for reply, Tigers Fan. I thought it couldn't be right. I'll see if it comes down after 7. What will happen if *PAP treatment doesn't work for me?
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