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Very High Leak Rate
#51
That looks pretty good.

Now I remember the ST story. Try to get the Auto BiPAP or Vauto.

The problem is not the pressure 10/16, it is the time it takes you to reach that pressure with a 45 minute ramp. You need to shorten the ramp time.

Good luck with the mask.
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#52
I shortened the ramp time to 10 minutes, I might just turn it off - I think I would be okay with that.
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#53
well, I just got the F20 mask and first night last night; leak rate "improved" at 58% but AHI up to 35.88; the last few nights before that it was running in the teens for the ahi.
here is the whole chart; I'll try to do a short segment after.
[Image: T1Xb4u6l.png]
here is a couple minutes with apneas:
[Image: OpRqh2rl.png]
I am at a loss.
The provider is going to ask the dr about getting the other machine but that will take a few days to arrive too.
Here is what I think is happening: The machine senses I quit breathing; it lights up and turns off (thinking I disconnected the hose); I wake up from the light and lack of air, and take 4-5 deep breaths and the macine kicks back on.
That really shouldn't be the way it works, should it? The machine is supposed to help when I quit breathing, isn't it?
If I don't respond to posts, I will be gone a few hours to church and will check back this afternoon.
Thanks for any help.
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#54
This is awful. I think you actually need an ASV machine with a backup rate that will prompt you to take a breath. I also think your sleep study completely missed the mark, and should be re-done evaluating for ASV.

Would you be willing to try something really radical? I'm talking about fixed pressure at 9.0 with no pressure support. Turn the machine to CPAP mode and set the pressure at 9.0. I don't see how it could be worse than this. If you find it intolerable, just reset the machine to VPAP S mode, and your current settings will still be there. I just would love to see what happens on a fixed pressure.
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#55
Sorry I haven't updated for so long; just lots of things to deal with. The equipment provider is still working on getting the okay to order the auto machine; she doesn't see a problem with it. But after a couple bad nights, we turned off the smart start/stop. and the ramp is turned clear off now; I had a much better night last night - still need to work on the leak rate, but it is greatly improved. So, we are gradually making progress. I will be glad to get a different machine too.
here is a screenshot of the whole night:
http://imgur.com/zTdbXXx
here is a screenshot of just a few minutes during which I had some events:
http://imgur.com/3CVsXzJ
any comments??
Thanks for all the encouragement and advice you've given me.
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#56
Looks better. The events don't look accurate due to leaks preceding them. The first UA looks like an arousal, and the H event looks like an anomaly from the leak If you add a zero line on the Flow rate, it is unlikely you would ave both inspiration and expiration below the zero line. Overall , looks much improved.
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