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How to tell if leak is from mouth or mask?
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AirSign Offline

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Posts: 85
Joined: Mar 2015

Machine: ResMed Airsense A10 for her
Mask Type: Nasal pillows
Mask Make & Model: Nuance / Airfit P10
Humidifier: Airsense A10
CPAP Pressure: 9-16, average under 14
CPAP Software: SleepyHead

Other Comments: Seasons here: Wintah, Mud, Road Repair, Wintah

Sex: Female
Location: Road Repair Season, New England

Post: #1
How to tell if leak is from mouth or mask?
In some other posts, I see that it seems to be possible to know from Sleepyhead reports whether Large Leaks are coming from mouth leaks, or from mask leaks?

Is that possible?
If so, what data should I look at to know what the source is of Large Leaks?

TIA
05-27-2015 06:12 PM
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retired_guy Offline

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Posts: 2,744
Joined: Jan 2014

Machine: ResMed S9 Autoset
Mask Type: Nasal pillows
Mask Make & Model: Resmed Airfit P10
Humidifier: ResMed
CPAP Pressure: 10.6/14, EPR 3
CPAP Software: ResScan SleepyHead

Other Comments: Is it bedtime yet?

Sex: Male
Location: Beautiful, albeit very wet Oregon Coast

Post: #2
RE: How to tell if leak is from mouth or mask?
First of all, decide if it's really a problem one way or the other. Look at your pressure graph where it shows LL for large leaks. Is it consistent throughout the night? If so, suspect mouthie. If only on occasion, suspect mask. But mostly, if its not a predominant feature of your graph, you're good to go regardless.
05-27-2015 09:19 PM
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krelvin Offline

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Posts: 155
Joined: Jul 2014

Machine: Resmed S9 VPAP Auto BiLevel
Mask Type: Full face mask
Mask Make & Model: Quattro Air
Humidifier: S9 Series H5i Heated Humidifier with Climate Control
CPAP Pressure: 10.6cm - 18cm - PS 4cm
CPAP Software: ResScan SleepyHead

Other Comments: FlashAir WiFi SDcard with SleepMaster/FlashPAP - Weather Nut

Sex: Male
Location: Mesa AZ

Post: #3
RE: How to tell if leak is from mouth or mask?
Normally if you are mouth leaking you will have more dry mouth issues as the air escapes through your mouth.

Current Settings PS 4.0 over 10.6-18.0 (cmH2O) BiLevel Auto
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05-27-2015 10:06 PM
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zonk Offline

Advisory Members

Posts: 7,908
Joined: Feb 2012

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: #4
RE: How to tell if leak is from mouth or mask?
(05-27-2015 06:12 PM)AirSign Wrote:  In some other posts, I see that it seems to be possible to know from Sleepyhead reports whether Large Leaks are coming from mouth leaks, or from mask leaks?

Is that possible?
If so, what data should I look at to know what the source is of Large Leaks?

TIA
I don't use SH, not sure how SH work out large leak but according to ResMed leak is acceptable and considered good if 70th percentile leak is less than 24 L/m but again any leak whether large or small affecting your sleep, need to be sort it out

As for how to identify mouth leak, dry mouth is the first sign and leak graph shows few spikes at some of the times and none at other times

See page 56/57 ResScan interpretation guide for more information
http://www.apneaboard.com/ResScan_Interpretation-Guide.pdf
05-27-2015 10:14 PM
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