SleepyHead and the new CMS-50F

General Discussion on any topic relating to CPAP and/or Sleep Apnea.
JDS74
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SleepyHead and the new CMS-50F

Post by JDS74 » Tue Sep 03, 2013 4:22 pm

Is anyone using the new (blue faced) CMS-50F pulse oximeter? It appears as if the same software is used to download the data to the desktop computer. It would be helpful to confirm whether or not this new unit will work with SleepyHead.

One vendor that sells both models inicates the new one doesn't inteface correctly.

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STL Mark
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Re: SleepyHead and the new CMS-50F

Post by STL Mark » Tue Sep 03, 2013 5:41 pm

I did chat with the pulseoxstore on this topic. He indicated he had tried the new version of the 50F with the old software and it is not compatible. The old spo2 review program that works on previous version of the 50F allows the generation of the spor files that SleepyHead is able to use. The newer version of the software does not have the review program so no data is available to use in SleepyHead.

It does sound like Kevin is getting more of the older ones in.

Excerpts from my email exchange with them on August 25th are below:
From STL Mark:
I was unclear about your statements regarding compatibility with SleepyHead software. Is this a different data format than the previous CMS-50F model? I was unclear if you were saying it was incompatible with the Mac version of SleepyHead or any version.

From Pulseoxstore:
The new version of the 50F (to my knowledge) is incompatible with Sleepyhead. It uses SPO2 Assistant software where the older version uses SPO2 Review. Sleepyhead pulled the data from the excel file that is created in SPO2 Review but SPO2 Assistant does not create this same file. I have some of the older 50F units that should be in stock the first of the week for people who would like the compatibility with Sleepyhead. I will put them back on the site as soon as I get them ready to sell.

From STL Mark:
Out of curiosity have you tried the new version of the device with the old software. I was wondering if that may be a way to accomplish the goal.

From Pulseoxstore:
Yes, It is not compatible.
A few weeks ago forum member NeedHelp2 had an extra white one for sale. I don't know if it is still available. See this thread.

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jedimark
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Re: SleepyHead and the new CMS-50F

Post by jedimark » Fri Sep 06, 2013 9:18 am

Good news... Just got my 50F working today in SleepyHead, I sat down with a serial monitor until I figured out the difference between my D+ and F, and then redesigned the serial import bits to work correctly with both of them. The trick was to ditch all my silly assumptions and forget about the how the SpO2 review software works.. The F is even easier to work with than the D+.

It needs a thorough test, but all the CMS50 variants (D+/E/F) should now work correctly in the next update of SleepyHead.
If anyone is building SleepyHead from source code, the code for this is already in the GIT repository.

This was the first really decent chunk of code I've written in a while.. I'm starting to feel like my old self again.

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JDS74
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Re: SleepyHead and the new CMS-50F

Post by JDS74 » Sun Sep 08, 2013 8:44 am

In reviewing the user manual for the new (blue face) CMS-50F oximeter, there is a section on Bluetooth connectivity. The way I read that is the oximeter can be used in the real-time mode so you can look at what is going on on screen just like the older (white face) model.

While the file structures are different, they are not that different as to preclude a future version of SleepyHead being able to read them correctly. Both models make a pair of data files for each session, one a special interanl structure for the data and a second one in a .CSV format that is supposed to be accessible via Excel. Intenally, the files are similar but the .CSV files are so different that Excel can open the one but not the other.

Just some thoughts.

_________________
Mask: Oracle HC452 Oral CPAP Mask
Humidifier: DreamStation Heated Humidifier
Additional Comments: EverFlo Q 3.0 Liters O2 PR DSX900 ASV
Oracle 452 Lessons Learned Updated
DSX900 AutoSV with HC150 extra humidifier and Hibernite heated hose
Settings: EPAP Min-10.0, EPAP Max-17, PS Min-3, PS Max-10, Max Pressure-20, Rate-Auto, Biflex-1.
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CountingSheeple

Re: SleepyHead and the new CMS-50F

Post by CountingSheeple » Thu Nov 27, 2014 5:46 am

Does anyone know if the new CMS-50F "PLUS" works with SleepyHead? The description on Amazon specifically say it DOES NOT work with SleepyHead software. Can this be true? Is access to SleepyHead worth getting an older model CMS-50F or CMS-50I? Any advice would be helpful, thanks.

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palerider
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Re: SleepyHead and the new CMS-50F

Post by palerider » Thu Nov 27, 2014 7:52 am

CountingSheeple wrote:Does anyone know if the new CMS-50F "PLUS" works with SleepyHead? The description on Amazon specifically say it DOES NOT work with SleepyHead software. Can this be true? Is access to SleepyHead worth getting an older model CMS-50F or CMS-50I? Any advice would be helpful, thanks.
that's just the new version of the cms50f

there's the older blue version and the newer white version.

that's also about 60$ more than it costs from aliexpress.com

you need to select 50f 3.7 version in sleepyhead for it, the communication protocol is different than the older 50f.

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CountingSheeple

Re: SleepyHead and the new CMS-50F

Post by CountingSheeple » Thu Nov 27, 2014 3:49 pm

palerider wrote:
CountingSheeple wrote:Does anyone know if the new CMS-50F "PLUS" works with SleepyHead? The description on Amazon specifically say it DOES NOT work with SleepyHead software. Can this be true? Is access to SleepyHead worth getting an older model CMS-50F or CMS-50I? Any advice would be helpful, thanks.
that's just the new version of the cms50f

there's the older blue version and the newer white version.

that's also about 60$ more than it costs from aliexpress..com

you need to select 50f 3.7 version in sleepyhead for it, the communication protocol is different than the older 50f.

Thank you so much for the hasty reply! I still don't understand why the seller would indicate that the unit "Does not work with SleepyHead software", since anybody doing their homework would find that SleepyHead is a huge benefit of having one of the CMS-xx devices.

After poking around Amazon, I found that a good, lasting set of rechargeable AAA batteries and a good intelligent charger would cost $45-$60.

The best independently tested AAA rechargeable NiMH batteries I found were the Sanyo XX Eneloop, $15 for a 4-pack.
The charger options ranged from the flimsy-looking EBL® 920D ($12) to the highly rated La Crosse Technology BC-700 Alpha Power Battery Charger ($40)

Combined with the cost of a CMS-50D+ ($40) fingertip PulseOx, this puts one out nearly $100 for PulseOx and battery set. At this point, it makes sense to go for the CMS-50F.

So the current "Acc U Rate® CMS 50F PLUS Wrist Pulse Oximeter (Ver 3.7) with SnugFit probe" as listed on Amazon for $147.95 will for certain work with SleepyHead?

part of the item description states:

Note: The finger should remain stationary while inside the probe. Not suitable for continuous monitoring of SpO2 levels if the body is in constant motion. Does not work with Sleepyhead and is not compatible with Mac. Mac must run Windows via bootcamp to use the provided software. The face of the watch is 2.25 by 2.25 inches and might be considered bulky for a petite user.

I just want to be sure this is not a newer model that is not compatible. Thanks again for all the help.

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palerider
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Re: SleepyHead and the new CMS-50F

Post by palerider » Thu Nov 27, 2014 3:55 pm

CountingSheeple wrote: Thank you so much for the hasty reply! I still don't understand why the seller would indicate that the unit "Does not work with SleepyHead software", since anybody doing their homework would find that SleepyHead is a huge benefit of having one of the CMS-xx devices.
the newer F, H, and I models did *not* work with sleepyhead until the latest release (0.9.8-1) of sleepyhead, because of a total change (and improvement) in the way the CMS devices talk over USB. lots of hours of work on three continents went into reverse engineering the protocol to make SH work with them.

you can get the CMS50I from aliexpress.com for under 100, and it has everything the new F has, plus records multiple sessions.

that's what I have.

I've heard the D+ doesn't work too well with rechargables, but i've never tried them in mine.

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Accounts to put on the foe list: dataq1, clownbell, gearchange, lynninnj, mper!?, DreamDiver, Geer1, almostadoctor, sleepgeek, ajack, stom, mogy, D.H., They often post misleading, timewasting stuff.

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Re: SleepyHead and the new CMS-50F

Post by mecheng » Fri Nov 28, 2014 12:12 pm

I have tried the CMS50 D+ with rechargeable batteries and it is important if you go this way to use high mAh batteries to get one good night out of them. This type of battery generally gives only 1.2v and not the 1.5v of an alkaline battery so one night isall you are likely to get on one charge. Add to this the general discomfort of the way this device clamps itself to my fingers was the reason that I upgraded to the CMS50 l. This is so much more comfortable for me, it has a clock that you can set to match that of your CPAP machine even if this is wrong so you can match the report to the second with that of your machine if you start them at the same time. Sleepyhead now imports both of the above but for me and my wife the CMS 50l is an out-rite winner. mine took four days from China to England with standard delivery. Amazing.

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CountingSheeple

Re: SleepyHead and the new CMS-50F

Post by CountingSheeple » Sat Nov 29, 2014 4:21 am

Thank you all for the great response.
I have been having amazing results using a combination of "allergy" and "antacid" anti-histamine over the counter meds. I have traced back this elusive "autonomic nervous imbalance" to what I believe was too much histamine in my system. Histamine was releasing at night (food allergies??), causing mid-sleep swelling and closure of my nasal passages and therefor apnea events. Folks say that obstructive apnea are only related to the throat area, but this is an over-generalization. In my case, a severely stimulated vagus nerve tone along with the profound effect on my parasympathetic nervous system had my heart rate down below 40bpm at night, with arrhythmia and sleep apnea as a result. At night, when histamine levels should be low, my histamine was releasing. My nasal passages swelled shut, and my gastric acid was releasing in my stomach as a result of the histamine release. The gastric acid irritated my stomach lining and therefor the vagus nerve which further stimulated the parasympathetic NS. The negative airway pressure from inhaling against a restricted nasal passage was also sensed by the vagus nerve and over-stimulated the parasympathetic NS. They said I had mixed-apnea, that it was initially obstructive but with the CPAP machine I was enduring near constant central apnea.

One cause could be copper deficiency causing a lack of DAO, the enzyme which naturally breaks down histamine that is naturally released by the body.
This would allow normal releases of histamine to build up to high systemic levels over time.
Another reason could be histamine intolerance/hypersensitivity.
I may have H. Pylori infection which the bacteria become more active at night, causing a histamine release.
I am on the Paleo diet, which includes lots of meat, which contains high dietary histamine.
Also it could be late-onset (31 years old) of seasonal allergies, as this all started in September.
The final relevant possibility is a tooth infection I had recently, which the body responds to pathogens in the nasal/sinus mucosa by releasing histamine.

A search for vagus nerve and airway pressure reveals that positive airway pressure: from a CPAP machine will LOWER vagal tone, for those of us with bradycardia and autonomic nervous system related apnea this might be of interest.

Please don't think this conclusion was based on lack of research or placed lightly, I have studied my problem from every angle possible and have had several MRIs, a CT scan, a few ECGs, 2 sleep studies, and many hours researching information and thinking deeply about what is going on in my body.

I am hoping that a decent PulseOx will help me track my nocturnal episodes including the apnea which are just one part of my whole problem.