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mask leaks - what is a normal amount?
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Ribman Offline

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Joined: Oct 2012

Machine: Resmed S9 Elite Auto
Mask Type: Nasal mask
Mask Make & Model: Resmed Mirage FX Nasal
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Post: #1
mask leaks - what is a normal amount?
What is a normal leak number on a S9, using a nasal mask? My current is 25-35.
10-08-2012 05:38 AM
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Ribman Offline

Members

Posts: 11
Joined: Oct 2012

Machine: Resmed S9 Elite Auto
Mask Type: Nasal mask
Mask Make & Model: Resmed Mirage FX Nasal
Humidifier: Humidaire H5i
CPAP Pressure: 14
CPAP Software: ResScan

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Sex: Male
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Post: #2
RE: mask leaks - what is a normal amount?
BTW I am using a ResMed Mirage™ FX Nasal CPAP Mask with Headgear. AHI is typically <3.0 w/leaks 25ML-35ml
10-08-2012 05:52 AM
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b360155 Offline

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Posts: 265
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Machine: ResMed S9 Autoset
Mask Type: Full face mask
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Post: #3
RE: mask leaks - what is a normal amount?
With a Resmed S9, you want to maintain a leak rate below 24.0 l/min., otherwise your data may be compromised. Having said that, make sure your mask type is set correctly in your machine, settings or that can lead to faulty results as well.

We're all family here...you can call me B36 if you'd like!Cool
10-08-2012 06:33 AM
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zonk Offline

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Posts: 7,908
Joined: Feb 2012

Machine: A10 AutoSet
Mask Type: Nasal mask
Mask Make & Model: Activa LT
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CPAP Pressure: 9/13
CPAP Software: ResScan

Other Comments: CPAP since Nov 2010

Sex: Male
Location: Australia

Post: #4
RE: mask leaks - what is a normal amount?
(10-08-2012 05:38 AM)Ribman Wrote:  What is a normal leak number on a S9, using a nasal mask? My current is 25-35.
The S9 calculate unintentional leak (mask leak plus mouth leak)
unintentional leak = total leak – intentional leak (mask vents leak)
you have to set the mask type

ResMd define acceptable leak at 24 L/min
In the presence of a high level of unintentional leak, AHI value cannot be analyzed correctly.

95% percentile leak
the machine detected leak was AT and BELOW for 95% of the time and for 5% higher
we have to see the stats and Resscan leak graph to know if leak is problem
adding a chinstrap can help with keeping mouth closed and minimizing mouth breathing otherwise full face mask
10-08-2012 06:37 AM
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Ribman Offline

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Posts: 11
Joined: Oct 2012

Machine: Resmed S9 Elite Auto
Mask Type: Nasal mask
Mask Make & Model: Resmed Mirage FX Nasal
Humidifier: Humidaire H5i
CPAP Pressure: 14
CPAP Software: ResScan

Other Comments:

Sex: Male
Location:

Post: #5
RE: mask leaks - what is a normal amount?
Thanks for your responses. I went to my DME today and they downloaded my card. I explained lately I have been itching my itchy face. They told me that explains the leaks, due to me lifting the mask to scratch the itch! We figured out this all started when I changed soaps I use to wash the masks and tubes!
10-08-2012 04:10 PM
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trish6hundred Offline

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Posts: 6,430
Joined: May 2012

Machine: Resmed S9 AutoSet for Her
Mask Type: Full face mask
Mask Make & Model: Fisher & Paykel Simplus
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CPAP Pressure: 10 - 7-20 Cm H2O
CPAP Software: Not using software

Other Comments: I started CPAP in 2008. Totally blind since birth.

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Location: Missouri, USA

Post: #6
RE: mask leaks - what is a normal amount?
Hi Ribman, It's great that you were able to trace your leak problem back to the soap you were using, now you can move forward from there. Best of luck.

trish6hundred
(This post was last modified: 10-08-2012 08:09 PM by trish6hundred.)
10-08-2012 08:06 PM
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PaulaO2 Offline
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Machine: S9 Autoset
Mask Type: Full face mask
Mask Make & Model: F&P Simplus
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Post: #7
RE: mask leaks - what is a normal amount?
Which is one of the reasons I use a vinegar solution for cleanings and use a hand soap I know I can use on my face for quick cleans. My skin is super sensitive to stuff like that.

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10-08-2012 08:56 PM
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archangle Offline
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Machine: ResMed S9 AutoSet
Mask Type: Nasal pillows
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Post: #8
RE: mask leaks - what is a normal amount?
(10-08-2012 04:10 PM)Ribman Wrote:  They told me that explains the leaks, due to me lifting the mask to scratch the itch!

Are you seeing very short blips on your leak line? Scratching shouldn't affect your overall numbers, unless you're leaving your mask screwed up after scratching.

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10-09-2012 06:55 AM
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Ribman Offline

Members

Posts: 11
Joined: Oct 2012

Machine: Resmed S9 Elite Auto
Mask Type: Nasal mask
Mask Make & Model: Resmed Mirage FX Nasal
Humidifier: Humidaire H5i
CPAP Pressure: 14
CPAP Software: ResScan

Other Comments:

Sex: Male
Location:

Post: #9
RE: mask leaks - what is a normal amount?
yes, after cleaning the soap off the mask, no scratching. But the leak is still at 25L. Any help here? I do not think I am mouth breathing......
10-09-2012 09:14 AM
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zonk Offline

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Posts: 7,908
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Machine: A10 AutoSet
Mask Type: Nasal mask
Mask Make & Model: Activa LT
Humidifier: Integrated /ClimateLineAir
CPAP Pressure: 9/13
CPAP Software: ResScan

Other Comments: CPAP since Nov 2010

Sex: Male
Location: Australia

Post: #10
RE: mask leaks - what is a normal amount?
(10-09-2012 09:14 AM)Ribman Wrote:  yes, after cleaning the soap off the mask, no scratching. But the leak is still at 25L. Any help here? I do not think I am mouth breathing......
see post #4.
the number doesn't tell us how long stayed at 25, just got there at some point. it could be for a short time but you need to look at your download
any leak causing sleep disturbance need to be fixed
maybe the cushion need replacing
fit the mask at full pressure
if you feel comfortable turn ramp off and start treatment at the set pressure 14
its common to try several masks to find the right one, mask have to works for you and be comfortable
10-09-2012 02:00 PM
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