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Befuddled new user
#1
I've been using a CPAP for 15 days now. I have 30 days to try different masks before I'm stuck with the one I have. So I'm using both Sleepyhead and ResScan, but I might as well be looking at Egyptian hieroglyphics. What should I be looking at to decide if my mask is working correctly? I have also tried 6 other masks, but I keep coming back to the Mirage Quattro.

I can post info, but I have no idea what is relevant. Thanks.

As a side note, I have changed my forum display options to 50 threads, and that's what shows when I go to the user CP, but I'm not getting 50 threads when viewing long threads. Is this broken?
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#2
Hi cyborg and
Welcome

There is a lot to say about all of the data available on your AutoSet, but I'll just stick to what's pertinent to helping choose a mask.

First thing first, leaks are going to be the biggest issue, the fewer leaks the better and you need to be able to maintain the leak rate below 24L/min. for the machine to provide proper therapy.

Aside from data though, your comfort is going to be the biggest concern when choosing a mask.

Find the most comfortable mask that minimizes leaks and then you'll be all set and ready to start tracking and analyzing all the other data.

Sleep-well



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#3
(01-19-2013, 01:05 PM)jgjones1972 Wrote: First thing first, leaks are going to be the biggest issue, the fewer leaks the better and you need to be able to maintain the leak rate below 24L/min. for the machine to provide proper therapy.

It looks like my total average is 45.77, with my latest being 49.57. I assume these are in leaks/minute. Should I be looking at a different mask?

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#4
Hi cyborg and WELCOME! to the forum.!
What jgjones1972 said.
Hang in there for more suggestions and best of luck to you on your CPAP journey.
trish6hundred
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#5
What does the graph show you? If you are turning the pressure on before you put your mask on (without using the "Mask Fit" feature) or taking it off before you turn the pressure off or even just lifting the mask to scratch your nose while the pressure is still on, this will throw your averages way off. Look at the graph on ResScan, there should be a red line at the 24/Liters per Minute level. Is there a substantial amount of time the leaks stay above that red line, or are there just spikes that go way above it whenever you are adjusting the mask or have it removed?
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#6
ResScan has a red line along the graph for leaks. How often and for how long does the graph go above this red line?

Also make sure that the machine knows what kind of mask you are using. I think that is accessible via the home menu settings.
PaulaO2
Apnea Board Moderator
www.ApneaBoard.com


Breathe deeply and count to zen.

INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED AS MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEB SITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.




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#7
[attachment=343]Here is a photo of ResScan, since I'm a new user I can't post a link to Photobucket. My machine is set for a full face mask.
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#8
Yeah, you have a leak problem. Your other data (AHI, etc) will be skewed because of them.

Did you check to see if your machine was set to Full Face Mask?

Have you tried the Mask Fit?
PaulaO2
Apnea Board Moderator
www.ApneaBoard.com


Breathe deeply and count to zen.

INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED AS MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEB SITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.




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#9
This is interesting to me. I use the Quattro FX and the mask has a little graph printed in the manual.
It shows that at 16 cm pressure the mask *vents off* 48 LPM.
That is the calibrated exhaust flow rate assuming a perfect seal is in effect.
Am I getting good therapy though? Yup.
Because I am using a separate handheld manometer and the pressure is holding.
The oximeter log I run also verifies this too.
So..it makes me wonder what's going on at ResMed, they make it sound like the machine can't handle more than 24 LPM and according to this ResScan graph my mask exhaust flow rate well exceeds the red line value. Even if I backed the pressure down to 12cm the mask will still vent at 40LPM+.
Just what are they trying to tell us here?

call me befuddled too.

=o.O=

Crazy
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#10
(01-19-2013, 08:30 PM)PaulaO2 Wrote: Yeah, you have a leak problem. Your other data (AHI, etc) will be skewed because of them.

Did you check to see if your machine was set to Full Face Mask?

Have you tried the Mask Fit?
Machine is set to Full Face Mask.

I find the mask fit to be an exercise in futility. My machine is about 6" lower than my bed. To see the Mask Fit display I have to lean over, which means my mask is now hanging from my face, instead of resting on my face with gravity doing some of the work.

I also have a full beard and I use the Remzzzs pads, or ones that I've made.
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