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Is preasure too light?
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Hawk Offline

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Posts: 3
Joined: Jan 2014

Machine: resmed REMstar Auto
Mask Type: Nasal pillows
Mask Make & Model: Resmed Swift FX
Humidifier: system one htd humidifier DS6HFLG
CPAP Pressure: 7
CPAP Software: Not using software

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Sex: Male
Location: Iowa

Post: #1
Is preasure too light?
I have had my CPAP only 2 months, and am doing reasonably well. However, I wake up at 2-3 AM feeling that I am not getting enough air. Is it possible that my preasure needs to be increased slightly?
01-22-2014 10:32 AM
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trish6hundred Offline

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Posts: 6,436
Joined: May 2012

Machine: Resmed S9 AutoSet for Her
Mask Type: Full face mask
Mask Make & Model: Fisher & Paykel Simplus
Humidifier: H5i Heated Humidifier
CPAP Pressure: 10 - 7-20 Cm H2O
CPAP Software: Not using software

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

Sex: Female
Location: Missouri, USA

Post: #2
RE: Is preasure too light?
Hi Hawk,
WELCOME! to the forum.!
What machine do you have?
Do you have ramp turned on on your machine? If so, turn ramp off and see if that helps you. Ramp starts out at a very low pressure and gradually comes up to the titrated pressure over time and sometines ramp can make you feel like you aren't getting enough air.
Hang in there for more suggestions and best of luck to you.

trish6hundred
01-22-2014 10:50 AM
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Hawk Offline

New Members

Posts: 3
Joined: Jan 2014

Machine: resmed REMstar Auto
Mask Type: Nasal pillows
Mask Make & Model: Resmed Swift FX
Humidifier: system one htd humidifier DS6HFLG
CPAP Pressure: 7
CPAP Software: Not using software

Other Comments:

Sex: Male
Location: Iowa

Post: #3
RE: Is preasure too light?
Yes. The ramp tme is only 10 minutes, so i've been at full preasure for several hours.
01-22-2014 11:18 AM
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brianwood619 Offline

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Posts: 171
Joined: Jan 2014

Machine: ResMed S9 VPAP Auto
Mask Type: Full face mask
Mask Make & Model: F&P Simplus
Humidifier: H5i Heated Humidifier
CPAP Pressure: 16-22cm/h2o
CPAP Software: ResScan SleepyHead

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Sex: Male
Location: Peaceful Acres

Post: #4
RE: Is preasure too light?
if your waking up at the roughly the same time every night, are you sure there is not something else that could be waking you up, some kind of "bump in the night" if you will. I had the same thing happen a few months ago, turns out after waking up several nights at around 03:30 it turned out to be the trash company had changed their schedule, instead of picking up at 11:00, they for a few days were coming in the wee hours of the morning. they dont do it now....thank god
01-22-2014 11:24 AM
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bavinck Offline

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Posts: 17
Joined: Dec 2013

Machine: ResMed S9 Autoset
Mask Type: Nasal pillows
Mask Make & Model: ResMed Swift FX
Humidifier: ResMed H5i
CPAP Pressure: 8 cm
CPAP Software: ResScan SleepyHead

Other Comments:

Sex: Male
Location: Alberta, Canada

Post: #5
RE: Is preasure too light?
I am having a similar issue and I think it might partly be due to the temperature of the air in the mask. If it is too warm I think it might be too hard for me to inhale naturally. I must say though, I am only on 8cm and I do find it tough at times to inhale no matter the temperature (feel like not getting enough air even though I know I am). I have heard a RT that was doing video reviews admit to the same thing, and that some masks make this feeling better or worse. He indicated with a PR nasal mask that at 9cm he found this to be a problem and bumped up his pressure to accommodate. For me 8cm is my prescribed pressure and anything less is simply not tolerable. Almost wish my rx pressure was a bit higher...
01-22-2014 12:33 PM
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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
Humidifier: Integrated /ClimateLineAir
CPAP Pressure: 9/13
CPAP Software: ResScan

Other Comments: CPAP since Nov 2010

Sex: Male
Location: Australia

Post: #6
RE: Is preasure too light?
(01-22-2014 10:32 AM)Hawk Wrote:  I have had my CPAP only 2 months, and am doing reasonably well. However, I wake up at 2-3 AM feeling that I am not getting enough air. Is it possible that my preasure needs to be increased slightly?
For me, when my nose stuffy, does feel not getting enough air. Leak is the other thing I might look at or even mouth breathing, both can lead to loss of therapy air. If leak is not a problem, might be an idea to ask the doctor to set the machine on Auto, on auto-adjusting mode, the machine adjust pressure as needed throughout the night. Whats the AHI and leak? if you,re not using SleepyHead, might be a good idea to download http://www.apneaboard.com/forums/Thread-...e-software
01-22-2014 12:51 PM
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PaulaO2 Offline
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Posts: 8,065
Joined: Feb 2012

Machine: S9 Autoset
Mask Type: Full face mask
Mask Make & Model: F&P Simplus
Humidifier: H5i
CPAP Pressure: 14-20
CPAP Software: SleepyHead

Other Comments: Ehlers-Danlos Syndrome, Hypermobility Type; chronic sarcasm

Sex: Undisclosed
Location: western NC, USA

Post: #7
RE: Is preasure too light?
The question to ask is do you feel smothered or is it that you do not notice the air as much as when you first turned it on?

If it is the first, then look at how you have the exhalation pressure relief set up. I think that's the C-flex for your machine. It may need to be turned up or down, depending on how you feel. But to wake up after several hours sleep is odd. Like the others have said, find out what woke you up.

If it is the second, then congratulations! You've gotten adjusted to your machine. There's a lot of mornings I wake up and wonder if the power is out because I don't notice the air flow. I have to put my hand in front of the mask and feel it from the vent.

PaulaO2
Apnea Board Moderator
www.ApneaBoard.com


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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.
01-23-2014 01:28 AM
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Hawk Offline

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Posts: 3
Joined: Jan 2014

Machine: resmed REMstar Auto
Mask Type: Nasal pillows
Mask Make & Model: Resmed Swift FX
Humidifier: system one htd humidifier DS6HFLG
CPAP Pressure: 7
CPAP Software: Not using software

Other Comments:

Sex: Male
Location: Iowa

Post: #8
RE: Is preasure too light?
OK, an update. I paid close attention to my sleeping habits for several days, and realised that I was adjusting my nasal pillow constantly all night long. Thinking it was leaking and not getting the air in to my nostrills, when there was no leaking at all. I raised my ramp preasure from 4 to 5 and my CPAP preasure from 7 to 8. Now I sleep through the night with no interuptions, and am able to sleep later in the morning instead of waking at 4:30. IT IS WONDERFUL !!
01-31-2014 09:40 AM
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