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Central apneas
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chd3143 Offline

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Joined: May 2014

Machine: REMstar Pro Model 460P
Mask Type: Nasal mask
Mask Make & Model: RESMED Mirage FX
Humidifier: RESMED
CPAP Pressure: 11.5
CPAP Software: SleepyHead

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Sex: Male
Location: Boise, ID

Post: #1
Central apneas
Just curious if anyone has central apneas pop up from time to time. It looks like I have a central event every 5 days or so ... not sure if this is significant enough to take to a specialist or not. Or, if SleepyHead is known for occasionally misreading these?
07-08-2014 12:45 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: Central apneas
Yes, I suspect most of us do.

It's not a big deal unless you get a whole bunch of them most nights. Your occasional CA might even be a "mis-scored" OA.

But no matter what, it is nothing to be concerned about at this point.
07-08-2014 01:32 PM
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Tez62 Offline

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Posts: 837
Joined: Feb 2013

Machine: Resmed S9 Autoset
Mask Type: Full face mask
Mask Make & Model: Resmed Mirage Quattro
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CPAP Pressure: 5-15
CPAP Software: SleepyHead

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Sex: Male
Location: Melbourne, Australia

Post: #3
RE: Central apneas
chd3143, I wouldn't worry about one CA, Sleepyhead sometimes registers things as CA's, like coughing or movement.
07-08-2014 02:55 PM
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archangle Online
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Posts: 3,163
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: #4
RE: Central apneas
We need to know what CPAP machine you have. If it's a system one, what does it say next to the display? Something like REMstar blahblah.

You also list "ResMed humdifier?"

I suggest you get SleepyHead and look at your data. See how long the centrals last.

However, unless they last a really long time, even one or two centrals every hour is no big deal. For that matter, centrals aren't necessarily more harmful than obstructives, they're just harder to eliminate.

Also, the machine often flag things as centrals that aren't "real" apneas in some sense. It's often something like swallowing, rolling over in bed, waking up, etc.

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.
07-08-2014 06:01 PM
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robysue Offline
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Posts: 1,247
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Machine: PR Dreamstation BiPAP Auto
Mask Type: Nasal pillows
Mask Make & Model: Swift FX
Humidifier: PR Dreamstation humidfier
CPAP Pressure: min EPAP = 4; max IPAP = 9;
CPAP Software: SleepyHead EncoreBasic EncorePro

Other Comments: Papping since September 2010

Sex: Female
Location: Buffalo, NY

Post: #5
RE: Central apneas
(07-08-2014 12:45 PM)chd3143 Wrote:  Just curious if anyone has central apneas pop up from time to time. It looks like I have a central event every 5 days or so ... not sure if this is significant enough to take to a specialist or not. Or, if SleepyHead is known for occasionally misreading these?
One CA every 5 days or so is NOT signficant enough to worry about EVEN if it's a real CA.

And SleepyHead doesn't "misread" anything. SleepyHead displays the data that was written by your machine. If the CA is really mis-scored, it is your machine's error, not SleepyHead's.

Questions about SleepyHead?
See my Guide to SleepyHead
07-08-2014 06:46 PM
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Skypilot Offline

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Posts: 96
Joined: Jun 2014

Machine: ResMed Hire
Mask Type: Nasal pillows
Mask Make & Model: AIRFITâ„¢ P10 nasal pilow
Humidifier: H5i Humidifier
CPAP Pressure: Doc said to try 12; was 14
CPAP Software: ResScan SleepyHead

Other Comments: The land of Nod is but a dream.

Sex: Undisclosed
Location: Canberra, Australia

Post: #6
RE: Central apneas
I sometimes draw adeep breath and after breathing out I do not take a breath for a small amount of time - I wonder if that is scored as a CA by the ResMed C9 Autoset?
(This post was last modified: 07-08-2014 06:58 PM by Skypilot.)
07-08-2014 06:57 PM
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robysue Offline
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Posts: 1,247
Joined: Oct 2013

Machine: PR Dreamstation BiPAP Auto
Mask Type: Nasal pillows
Mask Make & Model: Swift FX
Humidifier: PR Dreamstation humidfier
CPAP Pressure: min EPAP = 4; max IPAP = 9;
CPAP Software: SleepyHead EncoreBasic EncorePro

Other Comments: Papping since September 2010

Sex: Female
Location: Buffalo, NY

Post: #7
RE: Central apneas
(07-08-2014 06:57 PM)Skypilot Wrote:  I sometimes draw adeep breath and after breathing out I do not take a breath for a small amount of time - I wonder if that is scored as a CA by the ResMed C9 Autoset?
If the pause is long enough, it could be scored an an apnea. Depending on what the FOT says about the "patency" of your throat, it might be scored as an OA or it might be scored as a CA.

When I intentionally hold my breath after an exhale for 10+ seconds, my machine typically scores an OA. But others who do that experiment say their machine scores a CA.

Questions about SleepyHead?
See my Guide to SleepyHead
07-08-2014 07:02 PM
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chd3143 Offline

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Posts: 29
Joined: May 2014

Machine: REMstar Pro Model 460P
Mask Type: Nasal mask
Mask Make & Model: RESMED Mirage FX
Humidifier: RESMED
CPAP Pressure: 11.5
CPAP Software: SleepyHead

Other Comments:

Sex: Male
Location: Boise, ID

Post: #8
RE: Central apneas
Thanks everyone for your replies!

Archangle, I have a REMstar System One (CFLEX). I wasn't sure how to list the humidifier on my profile since I'm using the humidifier that the machine docks to. Boise is extremely dry, so I use it on the full setting. I also use Sleepy Head, yes.

Anyway, the central apneas seem to be around 5 o 6 seconds. Again, they don't show up very often, so I was more curious than anything else. I still wake up two or three times a night and begin deep breathing while entering into what feels like a sort of panic attack. I never seem to see those arousals associated with any kind of OA. I have a few seconds of really crazy breathing then I wake up usually panicky and uncomfortable for 15 or so minutes. I'm just trying to track down clues while losing weight and changing my diet. More than anything I'm just glad to see the OAs virtually gone now that I'm using consistent therapy. Thanks so much for the input.
07-09-2014 01:01 AM
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archangle Online
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Posts: 3,163
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: #9
RE: Central apneas
(07-09-2014 01:01 AM)chd3143 Wrote:  Archangle, I have a REMstar System One (CFLEX). I wasn't sure how to list the humidifier on my profile since I'm using the humidifier that the machine docks to.

That still doesn't tell us which model CPAP you have. What does it say next to the display after "REMstar?"

Take the water tank out and turn the blower unit over and look for something like "460 REF" on the label.

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.
07-09-2014 01:52 AM
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zonk Offline

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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: #10
RE: Central apneas
more likely, you have prs1 pro
here how you can identify the machine but remove the water tank before flipping the machine upside down
[Image: PR-model.jpg]
07-09-2014 02:09 AM
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