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Affordable recording oximeter
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eviltim Offline

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Post: #1
Affordable recording oximeter
Can anyone can recommend a recording oximeter? I've lost a lot of weight and I'm curious what, if any, impact it has had on my sleep apnea, but I am sure it hasn't been cured and have no interest in getting another sleep study done.

Seems like the CMS-50D is the most commonly recommended around these parts, but I see some for cheaper. Are the finger-only models pretty bad compared to the wrist/finger ones?

SleepyHead/other sleep software compatibility is not a concern for me.

Thanks in advance.
06-29-2014 10:21 PM
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Peter_C Offline

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Post: #2
RE: Affordable recording oximeter
The finger-only ones don't seem to stay on all night, if you are wanting to record all night. The wrist mount with the finger probe seems more stable. Accuracy is the same +/- one either way. If all you want is a momentary snapshot, go cheap, but if you want an all-night recording step up a level.

*I* am not a DOCTOR or any type of Health Care Professional. My thoughts/suggestions/ideas are strictly only my opinions.

"Only two defining forces have ever offered to die for you. Jesus Christ and the American Soldier. One died for your Soul, the other for your Freedom."
06-29-2014 11:10 PM
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MAPnea Offline

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Machine: ResMed S9 AutoSet - currently "set" on CPAP mode
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Post: #3
RE: Affordable recording oximeter
Hi, eviltim,

I have the CMS-50D Plus - a finger model that I have used often. I keep it in place all night long with two strips of tape taped to each side (of the pulse oximeter) that extend onto the sides of my finger. Haven't lost the connection or the pulse oximeter during the night. I'd say go with the less expensive unless you thrash around a lot at night.

And GOOD FOR YOU for losing weight! Do you think being on CPAP helped?
06-29-2014 11:39 PM
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diamaunt Offline

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Post: #4
RE: Affordable recording oximeter
(06-29-2014 10:21 PM)eviltim Wrote:  Can anyone can recommend a recording oximeter? I've lost a lot of weight and I'm curious what, if any, impact it has had on my sleep apnea, but I am sure it hasn't been cured and have no interest in getting another sleep study done.

Seems like the CMS-50D is the most commonly recommended around these parts, but I see some for cheaper. Are the finger-only models pretty bad compared to the wrist/finger ones?

the cms50d+ (the plus is important) is about the cheapest one you can get, 50$ on amazon, 30$ from alibaba in china

the 50d model does not record, it's only for instant readings, the 50d+ will record one session and lasts about 3 nights on 2 aaa batteries.

for 90$ish you can get a cms50i from alibaba that has a clock, and records multiple sessions, wrist mounted.

I've got both. the i doesn't need to be taped on, generally.
(This post was last modified: 07-01-2014 10:29 PM by diamaunt.)
06-29-2014 11:57 PM
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eviltim Offline

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Posts: 408
Joined: Aug 2013

Machine: Resmed S9 VPAP
Mask Type: Full face mask
Mask Make & Model: Resmed AirFit F10
Humidifier: H5i heated humidifer
CPAP Pressure: 5 exhale/9 inhale
CPAP Software: SleepyHead

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Sex: Male
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Post: #5
RE: Affordable recording oximeter
(06-29-2014 11:39 PM)MAPnea Wrote:  And GOOD FOR YOU for losing weight! Do you think being on CPAP helped?

Thank you and absolutely. I could not for the life of me get below 190lbs before I got on CPAP. After getting on CPAP I lost 40 lbs.
(This post was last modified: 06-30-2014 01:33 AM by eviltim.)
06-30-2014 01:30 AM
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MAPnea Offline

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Posts: 182
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Machine: ResMed S9 AutoSet - currently "set" on CPAP mode
Mask Type: Other
Mask Make & Model: ResMed AirFit F10 and P10 - varies
Humidifier: ResMed H5i
CPAP Pressure: 8
CPAP Software: SleepyHead

Other Comments: New Sleep Doc + New DME = Trying new approach to PAP therapy.

Sex: Female
Location: near Great Basin National Park, Nevada

Post: #6
RE: Affordable recording oximeter
Hi, again eviltim,

I also lost weight after starting CPAP. My theory is: we don't have to try to get energy via "food" because we now have enough energy to get through the day because we can BREATHE while we're sleeping. What a concept, huh? Hope you get the mask liners to help out with the drool. Also hope you keep losing weight if you want.
06-30-2014 09:09 PM
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PaulaO2 Offline
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Post: #7
RE: Affordable recording oximeter
If you are only going to be using it a short time or only occasionally to check up on things, then the finger ones will do just fine. The 50D+, like the others have said, is the cheapest but is also not all that great for every night use. And finger-only ones can get to be uncomfortable.

If you think you will use one a lot, then a wrist model with finger "probe" is the best way to go. Not only will it last longer, but it is more comfortable.

PaulaO2
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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.
06-30-2014 10:29 PM
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ShelaghDB Offline

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Post: #8
RE: Affordable recording oximeter
Potential dumb question alert:

I am not yet exActly sure what these little meters do that are being talked about in this thread. That said, the OP says he's lost weight and needs one to see if his sleep apnea has been cured.

Would he not be able to tell from looking at the sleep data on his machine to see whether that is so?
06-30-2014 10:52 PM
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PaulaO2 Offline
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Posts: 8,057
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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: #9
RE: Affordable recording oximeter
The OP doesn't say he believes it is cured. He says he wants to know the impact the weight loss has had.

The oximeter will provide additional information that the machine cannot. AHI is but one piece of our puzzle.

An oximeter is a gadget you wear on your finger that tells you what the oxygen amount is in your blood. It is called the "blood oxygen saturation rate" or sat rate. This is important information and more than likely, your doctor has tested yours a few times. When we hold our breath, oxygen does not come in and CO2 does not go out. Blood oxygen levels drop. For people with sleep apnea, this can be a problem. Some of us, it drops a lot even with just a simple apnea event. For others, it seems to be more accumulative. By having one at home, and by knowing our saturation rate during the day, we can compare it to how low it gets at night. And we can match it to our apnea events data.

PaulaO2
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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.
06-30-2014 11:10 PM
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eviltim Offline

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Posts: 408
Joined: Aug 2013

Machine: Resmed S9 VPAP
Mask Type: Full face mask
Mask Make & Model: Resmed AirFit F10
Humidifier: H5i heated humidifer
CPAP Pressure: 5 exhale/9 inhale
CPAP Software: SleepyHead

Other Comments:

Sex: Male
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Post: #10
RE: Affordable recording oximeter
Thank you everyone who has responded. And thank you Paula, yes this is only going to be for very occasional use, so the finger model might be workable.

Shelagh, if the machine is properly configured, it should prevent apneas from happening! So there's no way to gauge the severity of sleep apnea from PAP machine data. If I follow through on this, I'd sleep one night without the PAP and look for oxygen desaturation events.
07-01-2014 12:16 AM
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