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Question from a newbie - need to monitor oxygen?
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archangle Offline
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Posts: 3,151
Joined: Feb 2012

Machine: ResMed S9 AutoSet
Mask Type: Nasal pillows
Mask Make & Model: ResMed Swift FX
Humidifier: ResMed S9 H5i
CPAP Pressure: 16-20
CPAP Software: ResScan SleepyHead EncoreBasic

Other Comments: Happy PAPper

Sex: Undisclosed
Location: USA

Post: #11
RE: Question from a newbie
(04-08-2013 12:01 AM)Purdue writer Wrote:  Thanks everyone. I have another question: how accurate is the Res med at detecting central apneas? My data shows a few of these. Is this a concern?

Central apnea is no more harmful than obstructive apnea, just harder to eliminate.

Learn to look at your airflow waveforms and see how long the centrals last and how completely you stop breathing.

For your health, worry about the number of apneas, not the type. Central vs. obstructive becomes important when you can't reduce the severity of your apnea by increasing the pressure.

Centrals may also increase with pressure.

If you're asleep and the S9 classifies it as a central, it probably is. If you're awake, neither centrals nor obstructives are particularly meaningful. I suspect ResMed or PRS1 may sometimes classify centrals as obstructive, but they will flag them as an apnea of some type.

Get the free SleepyHead software here.
Useful links.
Click here for information on the main alternative to CPAP.
If it's midnight and a DME tells you it's dark outside, go and check it yourself.
04-10-2013 04:27 PM
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Purdue writer Offline


Posts: 12
Joined: Apr 2013

Machine: ResMed Autoset 9
Mask Type: Nasal pillows
Mask Make & Model: Swift FX
Humidifier: ResMed
CPAP Pressure: 8-11
CPAP Software: SleepyHead

Other Comments:

Sex: Female
Location: Illinois, USA

Post: #12
RE: Question from a newbie
Thank you so much. I am getting used to having the machine on at night. It's certainly not my favorite thing, but I have to say it really doesn't bother me much. I had forgotten what it was like to sleep. Amazing. I feel soooo much better! My AHIs continue to come down. Nearly always below 5 now. I even had a 0.3!

I really appreciate this group and have learned so much just from reading the posts. Thank you, thank you!!
04-11-2013 08:58 AM
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Shastzi Offline

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Posts: 1,174
Joined: Dec 2012

Machine: ResMed S9 Autoset
Mask Type: Full face mask
Mask Make & Model: FitLife Total face mask
Humidifier: F&P HC150 with Hybernite heated hose.
CPAP Pressure: 15cm-20cm H2O (auto)
CPAP Software: SleepyHead Other Software

Other Comments: CMS50-F wearable Oximeter; Software: SPO2 Assistant

Sex: Undisclosed
Location: Florida, USA.

Post: #13
RE: Question from a newbie
If your AHI's are below 5 you're golden.
Below one you're platinum.

Good job and keep hanging in there!


"With ordinary talent and extraordinary perseverance, all things are attainable." - Thomas Foxwell Buxton

04-11-2013 09:01 AM
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