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[CPAP] S9 Resmed auto setting not working
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oak Offline

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Posts: 70
Joined: Jul 2013

Machine: ResMed S9 Autoset
Mask Type: Nasal pillows
Mask Make & Model: Resmed Swift FX for her
Humidifier: S9 Hi5
CPAP Pressure: 9
CPAP Software: ResScan SleepyHead

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Sex: Female
Location: Western WI

Post: #41
RE: S9 Resmed auto setting not working
"Now if you get up out of bed or decide to lay awake for some time, as you said 15 minutes, maybe it's a good idea to turn the machine off so it's not skewing your data."


Does this mean that if you lie awake for an hour trying to get to sleep with the mask on, that it will skew your data? I have had AHI's of less than 5 every nite since I started, but I do lie awake when going to bed for an hour or so.Huh
07-23-2013 05:39 PM
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gogailg5 Offline

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Posts: 21
Joined: Jul 2013

Machine: s9 resmed
Mask Type: Nasal pillows
Mask Make & Model: swift fx
Humidifier: s9 resmed
CPAP Pressure: 9.6
CPAP Software: Not using software SleepyHead

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Sex: Female
Location:

Post: #42
RE: S9 Resmed auto setting not working
(07-23-2013 05:31 PM)Paptillian Wrote:  
(07-23-2013 05:09 PM)gogailg5 Wrote:  I see. However I noticed that the your wake time impacts ur AGO. If u lie awake for 15 minutes it will lower it AGO. I wake up several times a night. So I use numbers of events

You're right that if you have periods of wakefulness your data will show a lower overall AHI. However, without time as a frame of reference, the total event count doesn't mean anything.

I wake up several times a night myself, to turn around / change positions or whatever. Most people probably do, especially coming out of REM sleep. I wouldn't worry about that... I don't think AHI has to be super accurate.

Now if you get up out of bed or decide to lay awake for some time, as you said 15 minutes, maybe it's a good idea to turn the machine off so it's not skewing your data.

Ok. Right now my setting is 7.5 AHI 4.2. Tonight I will try 7.6. And like someone suggested...take it slow.
Has anyone heard of COAL?
(This post was last modified: 07-23-2013 05:42 PM by gogailg5.)
07-23-2013 05:42 PM
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gogailg5 Offline

Preferred Members

Posts: 21
Joined: Jul 2013

Machine: s9 resmed
Mask Type: Nasal pillows
Mask Make & Model: swift fx
Humidifier: s9 resmed
CPAP Pressure: 9.6
CPAP Software: Not using software SleepyHead

Other Comments:

Sex: Female
Location:

Post: #43
RE: S9 Resmed auto setting not working
I meant...has anyone heard of COAL?
(07-23-2013 05:47 PM)gogailg5 Wrote:  I meant...has anyone heard of COAL?

No VPAP! Ahug spellcheck
(This post was last modified: 07-23-2013 05:48 PM by gogailg5.)
07-23-2013 05:47 PM
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RonWessels Offline

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Posts: 465
Joined: Jun 2013

Machine: REMstar Auto AFlex DS560TS
Mask Type: Nasal mask
Mask Make & Model: ComfortGel Blue
Humidifier: REMstar Heated Tube DS6T
CPAP Pressure: 11 - 20
CPAP Software: SleepyHead

Other Comments: CMS50F Pulse Oximeter

Sex: Male
Location: Ontario, Canada

Post: #44
RE: S9 Resmed auto setting not working
(07-23-2013 05:39 PM)oak Wrote:  Does this mean that if you lie awake for an hour trying to get to sleep with the mask on, that it will skew your data?

Strictly speaking, yes. This is where using software to look at the detailed data for the entire session is helpful. You can discount the parts of the data that you know you were awake and just look at how things went during the time when you were asleep.

Don't worry too much about it though. Let's run through some sample numbers so you can see the effect. Let's say you were using CPAP for a total of 7 hours and got an overall AHI of 5. That means there were a total of 7x5=35 events during the session. Now, assume all of those events only happened while you were asleep, and you slept for only 6 hours (ie. you were lying awake for 1 hour). That means your "true" AHI is actually 35 events in 6 hours, or an AHI of 35/6 = 5.8. So there's not a huge difference here.
07-23-2013 05:54 PM
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