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ResMed Airfit P10
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herbm Offline

Preferred Members-2

Posts: 852
Joined: Jan 2014

Machine: ResMed AutoSet S9
Mask Type: Oral
Mask Make & Model: ResMed Airfit P10 Nasal Pillow
Humidifier: ResMed H5i
CPAP Pressure: 11-16
CPAP Software: ResScan SleepyHead

Other Comments: Backup Mask: Innomed Hybrid FFM -- Oral+Nasal Pillows

Sex: Male
Location: Austin, TX

Post: #31
RE: ResMed Airfit P10
Notice however that the soar chest muscles are not something they feel AS they breath, but a soreness from perhaps the extra effort to exhale or maybe it is for a different reason.

The point is that you cannot IN GENERAL feel pressure directly unless there is a clear differential (the chest muscle thing is actually due to that differential.)

This is especially true for the term "being blown away" -- that's a description of WIND. Wind must GO somewhere.

This is really simple -- think it through.

Sweet Dreams,

HerbM
Sleep study AHI: 49 RDI: 60 -- APAP 10-11 w/AHI: 1.5 avg for 7-days (up due likely to hip replacement recovery)

"We can all breathe together or we will all suffocate alone."
06-16-2014 11:02 PM
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PaulaO2 Offline
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Moderators

Posts: 8,067
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: #32
RE: ResMed Airfit P10
Yes, I've thought it through, and your theory doesn't make sense. I won't argue you about it though. I am an intelligent, mature, thinking adult and I know the difference between a leak, intentional or not, and the feel of air on or in my nostrils. When I switched from the Breeze to the Swift LT, I had to adjust the EPR because the difference in the masks was enough that I could not breathe out as well with the Swift as I could the Breeze. When I tried the P10, I again had to increase the EPR to alleviate the "smothered" feeling I had.

I've been using a CPAP for quite some time. I think I know what I am feeling by now.

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.
06-16-2014 11:31 PM
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Sleepster Offline
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Moderators

Posts: 4,995
Joined: Feb 2012

Machine: ResMed AirCurve10 VAuto
Mask Type: Full face mask
Mask Make & Model: F&P Simplus
Humidifier: HumidAir and SlimLine Hose
CPAP Pressure: MaxI 13.6 | MinE 5.2 | PS 4.4
CPAP Software: ResScan SleepyHead

Other Comments: Diagnosed Nov 2011. Conquered aerophagia.

Sex: Male
Location: Houston, Texas

Post: #33
RE: ResMed Airfit P10
It's the pressure difference that we can feel with our bodies and measure with our gauges. When a pressure difference exists it may or may not result in fluid (e.g. air) motion. With CPAP machines we measure this pressure difference in cm H2O. We measure the rate of fluid motion in liters per minute and call it the leak rate.

When we use the word "pressure" we are almost always referring to a pressure difference, referred to technically as the gauge pressure. For example, if we report a CPAP pressure of 13 cm H2O, what we mean is that the pressure difference between the air inside the hose and the air outside the hose is 13 cm H2O.

It is this pressure difference that we feel. It can occur when there's a very small leak rate or when there's a very large leak rate.

Sleepster
Apnea Board Moderator
www.ApneaBoard.com


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.
06-17-2014 09:09 AM
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herbm Offline

Preferred Members-2

Posts: 852
Joined: Jan 2014

Machine: ResMed AutoSet S9
Mask Type: Oral
Mask Make & Model: ResMed Airfit P10 Nasal Pillow
Humidifier: ResMed H5i
CPAP Pressure: 11-16
CPAP Software: ResScan SleepyHead

Other Comments: Backup Mask: Innomed Hybrid FFM -- Oral+Nasal Pillows

Sex: Male
Location: Austin, TX

Post: #34
RE: ResMed Airfit P10
Yes, that is correct, and "WIND" is a manefestation of a SIGNIFICANT pressure difference, or a difference being forced through a SMALL opening.

Sweet Dreams,

HerbM
Sleep study AHI: 49 RDI: 60 -- APAP 10-11 w/AHI: 1.5 avg for 7-days (up due likely to hip replacement recovery)

"We can all breathe together or we will all suffocate alone."
06-17-2014 11:38 PM
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Sleepster Offline
Wiki Editor
Moderators

Posts: 4,995
Joined: Feb 2012

Machine: ResMed AirCurve10 VAuto
Mask Type: Full face mask
Mask Make & Model: F&P Simplus
Humidifier: HumidAir and SlimLine Hose
CPAP Pressure: MaxI 13.6 | MinE 5.2 | PS 4.4
CPAP Software: ResScan SleepyHead

Other Comments: Diagnosed Nov 2011. Conquered aerophagia.

Sex: Male
Location: Houston, Texas

Post: #35
RE: ResMed Airfit P10
A pressure difference is a necessary but insufficient cause for air movement. In other words, you must have a pressure difference to have air movement, but you can have a pressure difference and have no air movement. It can be the pressure difference that bothers many beginning CPAP users, and not the air movement.

You see us all arguing this point against you Herb because you said "I suspect almost every complaint about being 'blown away' by 'pressure' is really about LEAKS".

We are pointing out that your suspicion is wrong because when a newbie sees your post count and your status on Apnea Board they will place a greater weight on your comments. Someone really may be struggling with adapting to the pressure and then think, well, if I can just get my leaks under control my problems will be solved. For many of us that's not the case. It's the pressure itself and not the resulting leak that's responsible for many adaptation problems.

In my case the pressure has to be below a certain level or I'll start swallowing air. Getting my leaks under control won't solve this problem. Reducing the pressure, and in particular the lowering of the expiratory pressure that can only be accomplished by switching to a bilevel CPAP machine, was and is the solution.

Sleepster
Apnea Board Moderator
www.ApneaBoard.com


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.
06-18-2014 11:30 AM
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herbm Offline

Preferred Members-2

Posts: 852
Joined: Jan 2014

Machine: ResMed AutoSet S9
Mask Type: Oral
Mask Make & Model: ResMed Airfit P10 Nasal Pillow
Humidifier: ResMed H5i
CPAP Pressure: 11-16
CPAP Software: ResScan SleepyHead

Other Comments: Backup Mask: Innomed Hybrid FFM -- Oral+Nasal Pillows

Sex: Male
Location: Austin, TX

Post: #36
RE: ResMed Airfit P10
So simply tell me what it means to be "blown away WITHOUT AIR MOVEMENT" (aka WIND)

Sweet Dreams,

HerbM
Sleep study AHI: 49 RDI: 60 -- APAP 10-11 w/AHI: 1.5 avg for 7-days (up due likely to hip replacement recovery)

"We can all breathe together or we will all suffocate alone."
06-19-2014 11:26 PM
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Clementine Offline

Preferred Members-2

Posts: 208
Joined: Sep 2013

Machine: ResMed VPap Auto
Mask Type: Nasal pillows
Mask Make & Model: ResMed AirFit P10
Humidifier: ResMed H5i--not using currently
CPAP Pressure: Auto -- 8/13.2 PS 3.2
CPAP Software: SleepyHead

Other Comments: Began with machine on 7/7/14.

Sex: Female
Location: eastern Iowa

Post: #37
RE: ResMed Airfit P10
Can someone fill me in on EPR? What is it/where do I find it on my machine?
(This post was last modified: 07-15-2014 01:02 PM by Clementine.)
07-15-2014 12:59 PM
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diamaunt Offline

Members-b

Posts: 436
Joined: May 2012

Machine: S9 VPAP Auto 36006
Mask Type: Full face mask
Mask Make & Model: mirage quattro/pilairo q
Humidifier: none
CPAP Pressure: 9-20ish
CPAP Software: SleepyHead

Other Comments:

Sex: Male
Location: texas

Post: #38
RE: ResMed Airfit P10
vpaps don't have it, they don't need it.

epr is like a poor mans vpap, it's a pressure drop when not inhaling.
07-15-2014 01:22 PM
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Clementine Offline

Preferred Members-2

Posts: 208
Joined: Sep 2013

Machine: ResMed VPap Auto
Mask Type: Nasal pillows
Mask Make & Model: ResMed AirFit P10
Humidifier: ResMed H5i--not using currently
CPAP Pressure: Auto -- 8/13.2 PS 3.2
CPAP Software: SleepyHead

Other Comments: Began with machine on 7/7/14.

Sex: Female
Location: eastern Iowa

Post: #39
RE: ResMed Airfit P10
oh, I see. Thanks for letting me know!
07-15-2014 01:24 PM
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Sleepster Offline
Wiki Editor
Moderators

Posts: 4,995
Joined: Feb 2012

Machine: ResMed AirCurve10 VAuto
Mask Type: Full face mask
Mask Make & Model: F&P Simplus
Humidifier: HumidAir and SlimLine Hose
CPAP Pressure: MaxI 13.6 | MinE 5.2 | PS 4.4
CPAP Software: ResScan SleepyHead

Other Comments: Diagnosed Nov 2011. Conquered aerophagia.

Sex: Male
Location: Houston, Texas

Post: #40
RE: ResMed Airfit P10
(07-15-2014 12:59 PM)Clementine Wrote:  Can someone fill me in on EPR? What is it/where do I find it on my machine?

It lowers the pressure on exhale, and you can set it to 1, 2, or 3.

The reason we don't need it with our VPAP's is because we can set the inhale pressure (IPAP) and exhale pressure (EPAP) separately.

Likely you had difficulty exhaling against the pressure during your sleep study. That's the usual reason for a doctor prescribing a VPAP.

You can look at the bar graph on your machine's display and watch the pressure change from IPAP to EPAP and back again with every breath.

Sleepster
Apnea Board Moderator
www.ApneaBoard.com


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.
07-15-2014 05:23 PM
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