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My SPO 7500 is 4 years old. I just got my ConTec CMS-50D+ this year. I can truthfully say that my 4 year old SPO 7500 is NOT worth 3 times as much as my CMS-50D+. Whether the more current 7500 is worth 3 x more ..... ???

 

IF you surf and search the web you can find the CMS-50D+ (has to be the 50D Plus, the 50D is not a recording oximeter) and its software for well under $200.

 

Its late, its been a rough day, we are losing a sister-in-law and things are not good w/my brother-in-law and my husband and I just aren't sure that we are up to a drive to Boston and to Maine. We don't have passports so we would have to drive the long way thru the states.

 

Search for my post w/in the last 3 weeks at cpaptalk.com about the ConTec CMS-50D+. It started out as a complaint and ended up not just as an apology but also an appreciation of just how tough mine is!!!

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Both the SPO 7500 and the ConTec CMS-50D+ are FDA approved oximeters. The SPO 7500 is made in Israel and the ConTec CMS-50D+ is made in China.

I have no idea what recording oximeters WalMart sells. I would check out the brand and model names at WalMart and then go home and check them out on google or other search engine before buying. Usually you can find a website that shows what a data printout from that oximeter produces.

Do you have a digital blood pressure monitor? The difference between your systolic and diastolic blood pressure is called your pulse pressure. For example, if your resting blood pressure is 120/80, your pulse pressure is 40, ­ the difference between 120 and 80. Generally, an at rest pulse pressure greater than 60 is abnormal. The most important cause of high pulse pressure is atherosclerosis. Treating high blood pressure usually reduces pulse pressure as well.
Thank you Judy
After a quick google on "SPO 7500" and I see the price $350.00 (or 349.99). I also see prices as high a $495.

One of the sites that came up with spomedical.com, the manufacturer. On their page they say that it is Rx only so I called them. They were quite happy to send me over to a distributor that would take my order without a prescription for $409. The operator said that SOME distributors require a prescription (now why would that be).

In any case, I fail to see how stores selling a product - the EXACT SAME product for more than a 40% premium. Caveat Emptor I guess...
Walmart sells the "NatureSpirit Wearable Wrist Pulse Oximeter" for $199

http://www.walmart.com/ip/NatureSpirit-Wearable-Wrist-Pulse-Oximete...

Here is what falls under the "Product Information" on the Walmart site.

The NatureSpirit Writst Pulse Oximeter can be worn by adults and children (3 years and older) and used for overnight sleep study.

* Very compact design and lightweight, fits comfortably on wrist
* Measures SPO2 and Pulse Rate accurately, can be used for continuous monitoring for sleep study
* 256k Color OLED display, in two directions with four levels of brightness adjustment
* SPO2, Pulse Rate, Pulse Rate waveform and bar graph display
* Easy to use setup menu
* Can set pulse sound, measurement audio alarm for SpO2 and pulse rate
* Can set year, date and clock
* Low battery low indication
* Low power consumption
* Internal flash memory to store up to 24 hours' data
* USB connection to up load data to PC to send to physician
* Includes comprehensive display and data management software
* Optional wireless connectivity kit
* Model# CMS-50F

Specifications:

* Measurement range: SPO2: 35^99 - Pulse Ratio: 30-250BPM
* Resolution: 1% for SPO2, 1BPM for pulse rate
* Accuracy: ±2% (70^99), unspecified (<70%) for SPO2; ±2BPM or±2% (whichever is greater) for pulse rate
* Power supply: 3.7V Lithium rechargeable battery

Sounds pretty good, doesn't it? And the price looks pretty good too...

Before you run out and buy this, take a look at the reviews, both on THIS UNIT and the other one "NatureSpirit Handheld Pulse Oximeter". The one review on this unit was from one of the same people that reviewed the other unit and, in the end, he was not happy at all... But, if you have Walmart close to you and you buy it there, you can always return it. Time is money at some point, and if you end up making 2 or 3 trips for a unit just like this you are wasting time. Personally, considering that everything in Walmart is made in China and I'm trying to avoid ALL Chinese made goods,

Still interested, I looked up the Model CMS-50F and found the same unit for sale at Southeaster Medical Supply... Here's the web page...
http://www.semedicalsupply.com/cms-50f.htm

BUT - and this is HUGE.... I looked at it MORE CAREFULLY and the finger cuff on THAT page looks a LOT DIFFERENT than the finger cuff at the Walmart page. Indeed, this may be a case in which WALMART beat down the price from the manufacturer so they simply put on a much cheaper finger cuff that sucks. The down side, it's $20 more, BUT, that finger cuff looks a heck of a lot better than the one on the Walmart site.

STILL not satisfied, I kept looking at MORE sites that had the CMS-50F designation... Here's ONE PLACE that sells the unit for $125 - YES, $125. They claim that MSRP is $240. Oh, free shipping too!

http://www.door2doorshop.com/wholesale/Free-Shipping-Wrist-Pulse-Ox...

Further research shows that sadly, this unit is indeed made in China. The Southeastern site said that it was FDA Approved, but the door2doorshop site did not mention this. Could that be a false statement? I do not know, once again, caveat emptor. I don't have to time to investigate if it's FDA approved.

So, you have a choice, either the SPO-7500 ($350), or this CMS-50F ($125-220), or, some other unit out there... I know that I would strongly prefer the SPO-7500. It has been in the marketplace, it has a track record, and, (this is a big one), it is NOT made in China. Personally, I have just seen too many thing made in China fail shortly after their warranty period from printers, televisions, and stereos to communications equipment. I do think the higher investment for the SPO-7500 is worth it as you won't have to buy it again in 13 months. Try to get a prescription for it and perhaps your insurance will cover it.

Carl

Judy said:
Both the SPO 7500 and the ConTec CMS-50D+ are FDA approved oximeters. The SPO 7500 is made in Israel and the ConTec CMS-50D+ is made in China.

I have no idea what recording oximeters WalMart sells. I would check out the brand and model names at WalMart and then go home and check them out on google or other search engine before buying. Usually you can find a website that shows what a data printout from that oximeter produces.

Do you have a digital blood pressure monitor? The difference between your systolic and diastolic blood pressure is called your pulse pressure. For example, if your resting blood pressure is 120/80, your pulse pressure is 40, ­ the difference between 120 and 80. Generally, an at rest pulse pressure greater than 60 is abnormal. The most important cause of high pulse pressure is atherosclerosis. Treating high blood pressure usually reduces pulse pressure as well.
The CMS-50F is also a ConTec oximeter. You might want to check out

http://www.pulseoxstore.com

He's an RRT and very willing to discuss the oximeters w/you and his prices were pretty good.
IF you're going to buy a Chinese unit, the door2door website that I posted has the same unit he's listing for $175 (plus $6 S&H to my address for a total of $181) for sale for $125 including shipping. How can anyone justify $56 in additional cost ($125 to $181) for the exact same unit??? I wonder if he would match the $125 price? I can't believe that other sites have this unit for 199, 219, and other similar prices. Once again, caveat emptor...

I'm curious though. The web site did say that he is a respiratory therapist, but it did not say he was a RRT. Judy - do you know him personally?

Carl

Judy said:
The CMS-50F is also a ConTec oximeter. You might want to check out

http://www.pulseoxstore.com

He's an RRT and very willing to discuss the oximeters w/you and his prices were pretty good.
I was looking for more info on the 7500 on google, and arrived here, and have just been reading through - I also had an older 7500, and was looking to see if there were any other competitive oximeters around that price level - Just thought I'd chip in and let you guys know that I found the new SPO 7500 for £380 with 2 year warranty and stuff, which I don't think you can go too far wrong with - in case anyone is interested here's the site I found it on - http://www.vitaloximeters.co.uk/products/medical-oximeters/spo-medi...

They mention being the UK distributer for SPO Medical, so seems like a good person to buy from, 2 year warranty as standard, free delivery...Not sure to the US though.

Cheers anyway for the info :)
Actually (the object of CPAP treatment) is to prevent the arousal. the bad o2 is the end result in this scenerio that we call sleep. it is also easier to fix the desat. There is also more money in it. It is the arousal from deep sleep that causes more harm. This combined with low o2 and a hormonal imbalence (chicken or the egg) is what causes all of the problems. Who am I kidding? you already knew that, right?

If the desat was the main problem then everyone would sleep perfect on PAP. If the arousals continue after implimenting PAP therapy your sleep will remain broken. on the other hand I can remove the arousal and leave most of the desats and you will sleep fine. Sleep is funny that way.


Rock (and others) while I understand the objective of the treatment, is tracking oxygen levels useful information that would improve the doctor's and the patient's understanding of when therapy is working (or going askew)? In other words, does it contribute useful data that might suggest another full study is or is not warranted?

I have a very selfish interest in staying on top of that concern; I went off CPAP ten years ago after a series of surgeries (UPPP, moving the tongue - I think that's why they put a screw in my jaw, radio-frequency tongue ablation, etc.) led to a "clean" sleep study. After that event, I had no contact with the sleep lab until the cardiologist raised the issue when my long-controlled arrhythmia became distinctly less controlled / controllable.

If an oximeter is a useful addition to the arsenal, I am still trying to decide whether to pursue one of the Chinese ones or the Israeli one (which is more expensive, may be technically more capable, and is accused on Amazon.com of having the least helpful user's manual ever -- high condemnation indeed!

If an oximeter is a useful addition to the arsenal, how frequent a tracking makes sense? (I'll, of course, ask my sleep doctor the same question
when I see him in December.)

Apologies to the reader for including multiple / compound questions is a single entry.
Who said that removing the arousal, leave the dsats and you will sleep fine??? I had to search for it and I see that Rock said this. Let me tell YOU, leaving the dsats and you will wake up with headaches. On top of that, it (dsating) stresses the muscles along with your other organs and can cause heart attack. Under Medicare & most insurers in the US, you qualify for supplemental O2 if your oxygen saturation levels drop to 88% or lower during sleep, exertion or sitting. Your doctor should prescribe it & you should use it as prescribed.

Not worrying about desating is BAD BAD BAD advise, not something a "medical professional" would (or should) say.

Clueless in Redwood Shores said:
Actually (the object of CPAP treatment) is to prevent the arousal. the bad o2 is the end result in this scenerio that we call sleep. it is also easier to fix the desat. There is also more money in it. It is the arousal from deep sleep that causes more harm. This combined with low o2 and a hormonal imbalence (chicken or the egg) is what causes all of the problems. Who am I kidding? you already knew that, right?

If the desat was the main problem then everyone would sleep perfect on PAP. If the arousals continue after implimenting PAP therapy your sleep will remain broken. on the other hand I can remove the arousal and leave most of the desats and you will sleep fine. Sleep is funny that way.


Rock (and others) while I understand the objective of the treatment, is tracking oxygen levels useful information that would improve the doctor's and the patient's understanding of when therapy is working (or going askew)? In other words, does it contribute useful data that might suggest another full study is or is not warranted?

I have a very selfish interest in staying on top of that concern; I went off CPAP ten years ago after a series of surgeries (UPPP, moving the tongue - I think that's why they put a screw in my jaw, radio-frequency tongue ablation, etc.) led to a "clean" sleep study. After that event, I had no contact with the sleep lab until the cardiologist raised the issue when my long-controlled arrhythmia became distinctly less controlled / controllable.

If an oximeter is a useful addition to the arsenal, I am still trying to decide whether to pursue one of the Chinese ones or the Israeli one (which is more expensive, may be technically more capable, and is accused on Amazon.com of having the least helpful user's manual ever -- high condemnation indeed!

If an oximeter is a useful addition to the arsenal, how frequent a tracking makes sense? (I'll, of course, ask my sleep doctor the same question
when I see him in December.)

Apologies to the reader for including multiple / compound questions is a single entry.
Carl,

This was my bad editing. I had originally written "Rock Hinkle said (and had his verbiage italicized. Not sure how the omisison of the attribution occurred but this is not my string and my fifteen minutes to edit is long passed. I was neither affirming nor arguing with Rock's statements; I was simply trying to ask: "assuming for the sake of argument that arousal detection is more important than O-sat tracking, is O-sat tracking still of value? I can infer a yes from your reply, but hesitate to do so...

I was hoping to avoid some of the flaming that characterized the AHA string -- precisely to seek your input, Rock's, and/or input from anyone else, as to the oximeter related questions that follow the preamble. Hope that others replying will stick to those questions and that you (and Rock, if he's so inclined) can save the verbal pyrotechnics for that AHA string.

Your response is understandable in the sense that I would be frustrated and in high dudgeon if I had to search for a source. The instinct to brawl, however, doesn't facilitate the open exchange of information and advice. It is the latter which keeps some of us coming back repeatedly to this site, amusing as the former can be -- especially to we, the sleep-deprived down-trodden masses yearning to be (hypopnea) free...

Carl said:
Who said that removing the arousal, leave the dsats and you will sleep fine??? I had to search for it and I see that Rock said this. Let me tell YOU, leaving the dsats and you will wake up with headaches. On top of that, it (dsating) stresses the muscles along with your other organs and can cause heart attack. Under Medicare & most insurers in the US, you qualify for supplemental O2 if your oxygen saturation levels drop to 88% or lower during sleep, exertion or sitting. Your doctor should prescribe it & you should use it as prescribed.
Not worrying about desating is BAD BAD BAD advise, not something a "medical professional" would (or should) say.
Clueless in Redwood Shores said:
Actually (the object of CPAP treatment) is to prevent the arousal. the bad o2 is the end result in this scenerio that we call sleep. it is also easier to fix the desat. There is also more money in it. It is the arousal from deep sleep that causes more harm. This combined with low o2 and a hormonal imbalence (chicken or the egg) is what causes all of the problems. Who am I kidding? you already knew that, right?

If the desat was the main problem then everyone would sleep perfect on PAP. If the arousals continue after implimenting PAP therapy your sleep will remain broken. on the other hand I can remove the arousal and leave most of the desats and you will sleep fine. Sleep is funny that way.
Rock (and others) while I understand the objective of the treatment, is tracking oxygen levels useful information that would improve the doctor's and the patient's understanding of when therapy is working (or going askew)? In other words, does it contribute useful data that might suggest another full study is or is not warranted?

I have a very selfish interest in staying on top of that concern; I went off CPAP ten years ago after a series of surgeries (UPPP, moving the tongue - I think that's why they put a screw in my jaw, radio-frequency tongue ablation, etc.) led to a "clean" sleep study. After that event, I had no contact with the sleep lab until the cardiologist raised the issue when my long-controlled arrhythmia became distinctly less controlled / controllable.

If an oximeter is a useful addition to the arsenal, I am still trying to decide whether to pursue one of the Chinese ones or the Israeli one (which is more expensive, may be technically more capable, and is accused on Amazon.com of having the least helpful user's manual ever -- high condemnation indeed!

If an oximeter is a useful addition to the arsenal, how frequent a tracking makes sense? (I'll, of course, ask my sleep doctor the same question
when I see him in December.)

Apologies to the reader for including multiple / compound questions is a single entry.
No problem - typos occur...

I'm not sure if there's an easy way to detect arousal events at home on a regular basis, BUT, even IF it were available, I think that O2 levels are VERY important. They basically tell you if you are at risk for heart attack, stroke, or other problems - remember ALL of your cells NEED O2!!!!.

Anyhow, as we all know, a recording O2 pulse oximeter CAN be used to detect O2 desat and the price is somewhere between $125 and $400... So, I would say that owning a recording O2 pulse-ox should almost be required for people with sleep apnea. It shows people how well they are oxygenating their body during sleep, whether they are using supplemental O2 or not. It can also be worn during mild exercise, cleaning the house, or just doing everyday chores to see if desats occur then. If they are, 24x7 supplemental O2 may be prescribed and problems may exist totally independently from any type of apnea.

There are portable PSG machine (Alice PDx is one such example) that some sleep centers use when people just don't do well with testing at sleep centers. I just wish these things weren't so darn expensive - it would be nice to use one of these every couple of weeks or once a month to see how well things are going.

Clueless in Redwood Shores said:
Carl,

This was my bad editing. I had originally written "Rock Hinkle said (and had his verbiage italicized. Not sure how the omisison of the attribution occurred but this is not my string and my fifteen minutes to edit is long passed. I was neither affirming nor arguing with Rock's statements; I was simply trying to ask: "assuming for the sake of argument that arousal detection is more important than O-sat tracking, is O-sat tracking still of value? I can infer a yes from your reply, but hesitate to do so...

I was hoping to avoid some of the flaming that characterized the AHA string -- precisely to seek your input, Rock's, and/or input from anyone else, as to the oximeter related questions that follow the preamble. Hope that others replying will stick to those questions and that you (and Rock, if he's so inclined) can save the verbal pyrotechnics for that AHA string.

Your response is understandable in the sense that I would be frustrated and in high dudgeon if I had to search for a source. The instinct to brawl, however, doesn't facilitate the open exchange of information and advice. It is the latter which keeps some of us coming back repeatedly to this site, amusing as the former can be -- especially to we, the sleep-deprived down-trodden masses yearning to be (hypopnea) free...

Carl said:
Who said that removing the arousal, leave the dsats and you will sleep fine??? I had to search for it and I see that Rock said this. Let me tell YOU, leaving the dsats and you will wake up with headaches. On top of that, it (dsating) stresses the muscles along with your other organs and can cause heart attack. Under Medicare & most insurers in the US, you qualify for supplemental O2 if your oxygen saturation levels drop to 88% or lower during sleep, exertion or sitting. Your doctor should prescribe it & you should use it as prescribed.
Not worrying about desating is BAD BAD BAD advise, not something a "medical professional" would (or should) say.
Clueless in Redwood Shores said:
Actually (the object of CPAP treatment) is to prevent the arousal. the bad o2 is the end result in this scenerio that we call sleep. it is also easier to fix the desat. There is also more money in it. It is the arousal from deep sleep that causes more harm. This combined with low o2 and a hormonal imbalence (chicken or the egg) is what causes all of the problems. Who am I kidding? you already knew that, right?

If the desat was the main problem then everyone would sleep perfect on PAP. If the arousals continue after implimenting PAP therapy your sleep will remain broken. on the other hand I can remove the arousal and leave most of the desats and you will sleep fine. Sleep is funny that way.
Rock (and others) while I understand the objective of the treatment, is tracking oxygen levels useful information that would improve the doctor's and the patient's understanding of when therapy is working (or going askew)? In other words, does it contribute useful data that might suggest another full study is or is not warranted?

I have a very selfish interest in staying on top of that concern; I went off CPAP ten years ago after a series of surgeries (UPPP, moving the tongue - I think that's why they put a screw in my jaw, radio-frequency tongue ablation, etc.) led to a "clean" sleep study. After that event, I had no contact with the sleep lab until the cardiologist raised the issue when my long-controlled arrhythmia became distinctly less controlled / controllable.

If an oximeter is a useful addition to the arsenal, I am still trying to decide whether to pursue one of the Chinese ones or the Israeli one (which is more expensive, may be technically more capable, and is accused on Amazon.com of having the least helpful user's manual ever -- high condemnation indeed!

If an oximeter is a useful addition to the arsenal, how frequent a tracking makes sense? (I'll, of course, ask my sleep doctor the same question
when I see him in December.)

Apologies to the reader for including multiple / compound questions is a single entry.
I never said not to worry about the desat. The desat is only part of the problem.The smaller of the 2 is what I meant. If you take a person who has untreated UARS for 20 years, and another whom has untreated apnea both will develop the same health problems. Why is this as the person with UARS will not have near as many desat (if any)? The arousal is the common denominator not the desat. It is the arousal that interrupts the healing and hormonal power that sleep brings. A person who does not sleep right for years with no apnea will develop the same serious health problems as somone with. Just as clinching your teeth due to spontanious arousals will cause the same headaches that the desats cause. I see patients all the time that have desats without arousals. These are the people that think nothing is wrong.

Only one of all the different breathing events in sleep evaluation even require a desat. why is that if the desat is the most important?

My frustrated point in the other thread was that if you only pay attention to the desat you will most likely continue to sleep like crap.

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