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Philips Dreamstation or Airsense 10 CPAP machine
#31
Okay..... I have neither of the new machines .... But I used to be a ResMed fanboy. Not anymore. After buying a very slightly used Respironics 560, I never looked back. Sample of two ResMed S-9s Autosets, one went bad ~50% fail rate for me (admittedly not data, just anecdotal observation).

One point I REALLY favor with the Respironics Dreamstation over the ResMed units is that the Respironics units still use a standard 12 V power source so standard and readily available batteries are good to go without a $100 DC-DC upconverter like the ResMed units will require. As I understand it, you have to use Respironics' DC cord with a "Mother May I?" resister on the center pin, but it is still about a fourth the cost of the ResMed DC-DC converter. That may be a factor if you ever go camping or lose power.

OMMOHY
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#32
Talked to clinician set on auto ramp on Airsense starting at 5, and 2 for exhale. Also dreamstation on 2 for exhale starting at 5 for ramp. So will try those settings tonight. I was told should use ramp before sleeping as probably getting to much oxygen initially creating difficult breathing issues.
Cheers
Steve.
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#33
stephennic,
So you will know, most users report feeling starved for air until the pressure reaches 7 to 8.

Also two thoughts come to mind:
1. What is the starting pressure that the clinician uses on their machine.
2. Having too much oxygen seems like someone complaining about having too much ammunition in a firefight. . . it just doesn't happen.
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#34
stephennic, the DreamStation won't (can't) force you to breathe or control your pace. I find it takes 30-60 seconds to get in sync with my breathing and then I can slow down to a comfortable pace and drift off to sleep. It will follow your breathing once it gets your breathing focused. But if you start to hyperventilate, it is happy to play along!
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#35
Operation 2 cm is impossible to attain on many machines since the lowest they will go is 4 cm.
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#36
And four would leave me feeling suffocated and air deprived.
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#37
Sorry I meant, level 1-3 for exhale pressure, I had it set at level 2.
Well last night tried the two machines side by side with the news settings, the Phillips I tried first, easier breathing pattern , but it was still noisy for me even my wife said she could hear it, tried for at least an hour. I wear earplugs so I hear the whir of the motor more higher pitched than the Resmed Airsense 10. Next the resmed airsense 10, it was a bit better with noise than the dreamstation, and breathing was nearly as good. I ended going to sleep after about 30 mins got 6 hours and 5.6 episode per hour. Is that a good result?
So I think the airsense may be the choice. Interesting all the philips literature says the dreanstation is 63% quieter than the resmed airsense 10. In my experience I found the Airsense 10 a bit quieter than the 2 dreamstation I have tried. Has anyone had a similar experience?
I had a bit of a headache this morning is that normal after affects of a CPAP machine?.
Has anyone heard if they are upgrading the airsense a10 to 3G from 2G ?
Should I take the plunge or try a few more nights or try a different brand?
Thanks for everyone's help, much appreciated for putting up with all the questions.
Cheers
Steve
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#38
(06-29-2016, 09:41 AM)Crimson Nape Wrote: 2. Having too much oxygen seems like someone complaining about having too much ammunition in a firefight. . . it just doesn't happen.

This is not true. Granted it's unlikely on CPAP alone, but too much oxygen, especially at higher than normal pressures such as divers experience, can do serious damage to the body. Google "oxygen toxicity" and read the Wikipedia article, or if you prefer one of the other multitudinous hits such a search will bring up.

Oxygen is in the same column as Chlorine and Florine in the periodic table, and it is there for a reason.

Also you can easily cause yourself to faint by hyperventilating out of fear or anxiety or, as we used to do when I was a kid, doing it on purpose for a "high".


Ed Seedhouse
VA7SDH

Your brain is not the boss.

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#39
Thanks Ed. Maybe I should have clarified my statement to reflect a CPAP. With this being an apnea and not a diving forum, I figured the reader would make the connection.

My apologies.
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#40
As I understand it from my days studying chemistry, oxygen of the O2 variety is really quite corrosive.

OMMOHY
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