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Leaks are so confusing...
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PaytonA Online
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Posts: 2,956
Joined: Dec 2013

Machine: ResMed S9 VPAP Auto
Mask Type: Full face mask
Mask Make & Model: Resmed Mirage Quattro
Humidifier: H5i(distilled-top up)
CPAP Pressure: VAuto MinE14.0 MaxI 20.6 PS4.0
CPAP Software: ResScan SleepyHead

Other Comments:

Sex: Male
Location: Orange County,California

Post: #11
RE: Leaks are so confusing...
I just had a learning experience regarding leaks. For a while with my FFM I was getting 95% leaks at 10 l/min and below. I kept wondering where the miscellaneous leaks were coming from. Tried a number of things including new cushions, new headgear, refitting over and over. Nothing seemed to make much difference.

I started wearing my chin strap consistently due to other reasons and found that my 95% leak rate is consistently zero. In fact I fairly frequently get 4 zeros for leak rate.

My take away from this experience is that I have been causing leaks with movements of my mouth. I know from testing that i can cause a leak in the lower portion of the mask by various facial movements like a wide grimace.or a big yawn. Apparently the chin strap reduces my facial movements during my sleep. I have a definite love/hate relationship with my chin strap but it has proven its value in my case.

If you can not feel any leaks when going to sleep or waking up and at the higherst pressure used then the leaks are probably mouth leaks of one sort or another.

best Regards,

04-26-2016 02:49 PM
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palerider Offline

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Posts: 440
Joined: Nov 2014

Machine: s9 vpap auto
Mask Type: Nasal pillows
Mask Make & Model: p10
Humidifier: none
CPAP Pressure: 18/13+
CPAP Software: SleepyHead

Other Comments:

Sex: Male
Location: Dallas(ish)

Post: #12
RE: Leaks are so confusing...
(04-26-2016 01:59 PM)Mosquitobait Wrote:  I'm trying to figure out how to tell if my leaks are from my mouth being open or if my Swift is simply leaking too much. How do you tell from the data?

I know of no way, other than wearing it for a bit while awake, and perhaps laying down and moving around like you're sleeping, but keep your mouth shut.... then check the data.
04-26-2016 03:02 PM
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