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I find the term 'red infrared' a bit misleading and unaccurate. I would rather use 'red + infrared', or, more appropiately, '(a beam) comprised of red and infrared wavelengths'. However I don't dare to edit it (I'm an electronic engineer -- i.e. a layman in medicine). -- Biscay 09:42, 20 June 2007 (UTC)
The wii vitality sensor is not the first time a pulse oximeter is used for entertainment purposes. To my knowledge the Wild Divine Project was the first, using such a sensor in its lightstone. 70.173.237.166 ( talk) 02:33, 8 May 2010 (UTC)
Hi, I wonder why the its use in deep sea diving is ommited —Preceding unsigned comment added by 124.82.136.146 ( talk) 02:49, 7 June 2010 (UTC)
The Wild Divine IR sensor only measures pulse rate, not SpO2 Oxygen saturation level. — Preceding unsigned comment added by 98.114.249.159 ( talk) 19:03, 14 July 2011 (UTC)
I think that these two articles cover enough of the same ground that the devices and their use can safely be merged into a single article. WhatamIdoing ( talk) 22:56, 23 December 2008 (UTC)
I'm not knowledgeable enough to edit the main page, however I would like to bring this to the attention to someone who may choose to do so. Advancements in the device now allow for better measurement to help detect anemia. I'm not sure the specifics of the advancement, or the full reach the improvements have on its capabilities. Hopefully someone can update this to reflect that information. Thanks — Preceding unsigned comment added by Mmcclel ( talk • contribs) 22:32, 23 April 2012 (UTC)
http://well.blogs.nytimes.com/2011/11/17/a-mothers-fight-for-newborn-hearts/ has some information about newborn screening that might be interesting as part of the history section. WhatamIdoing ( talk) 01:25, 24 April 2012 (UTC)
doi:10.1016/S0140-6736(12)60107-X - doesn't pick up all cases but being a blue baby is strongly indicative of having a congenital heart defect. JFW | T@lk 12:01, 2 July 2012 (UTC)
This article seems to be about pulse oximetry. It never explains the actul working of a pulse oximeter. In general this is an unsuffcient article for an encyclopedia. It does not give any in depth information. 94.214.169.166 ( talk) 17:26, 26 May 2013 (UTC)
Not sure if this is the correct way to comment here, but wanted to point out that the "correct position" photo (blue remote pulse oximetry sensor on patient finger tip) appears to be incorrect. Typically the lead wire is on the same side as the red/IR LEDs, which should be placed on TOP of the patient's finger tip above the fingernail. This link [1] to the manufacturer documentation for a Masimo pulse oximter with remote sensor shows the correct positioning on page 1-5. This positioning is also evidenced in the topmost photo of the setup used for sleep monitoring (wrist oximeter with remote sensor). (I'm an RN and use pulse oximeters every day). - DawL VuDu DawL ( talk) 22:55, 22 June 2013 (UTC)
I second the comment above. The picture is incorrect. In all probes, when the probe is correctly positioned, the lead wire is on the nail side of the finger, running across the back of the hand (not the palm). Most probes have a fingernail impression in the sensor's plastic housing to show which side goes on the fingernail side of the finger. The photo with the blue sensor depicts incorrect placement. — Preceding unsigned comment added by Carol4929 ( talk • contribs) 15:02, 24 August 2015 (UTC)
I don't know the term for hardware, but I know for software they call it "vaporware" when something is announced and then never becomes a real product. I am tempted to delete the information about oximeters for nintendo Wii video game console because it was announced in 2009 and here we are in 2015 and it never happened.— Preceding unsigned comment added by DevRockinAZ ( talk • contribs) 11:04, 24 July 2015 (UTC)
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Does the p in SpO2 really stand for peripheral? I would have guessed it stood for 'pulse oximeter'. I would assume SaO2 is typically measured (or at least calculated) from peripheral arterial blood on ABGs, which makes the "peripheral" designation of SpO2 curious. Maybe this term is from the old 1970s non-"pulse" oximeters that worked on fingers in an attempt to estimate the SaO2. Mauvila ( talk) 03:19, 19 January 2018 (UTC)
Article Location:
Section: Function
Paragraph excerpt: "By subtracting the minimum transmitted light from the peak transmitted light in each wavelength, the effects of other tissues are corrected for.[43]"
Reference "[43]" = ""Pulse Oximetry". Oximetry.org. 2002-09-10. Archived from the original on 2015-03-18. Retrieved 2015-04-02."
Does not explain why more than one frequency is required.
Does not explain that if only one frequency were available, which would be the preferable for obtaining the same data, or it is not possible to even guess a conclusion with only one frequency.
Does not explain history on how both frequencies were chosen.
Does not explain the reasoning behind the relationship of Red and Infrared frequencies.
Gedium ( talk) 07:34, 2 June 2018 (UTC)
Lack of citation in 3.1 Advantages. " Portable pulse oximeters are also useful for mountain climbers and athletes whose oxygen levels may decrease at high altitudes or with exercise. Some portable pulse oximeters employ software that charts a patient's blood oxygen and pulse, serving as a reminder to check blood oxygen levels." wizbang_fl 04:30, 18 September 2020 (UTC) — Preceding unsigned comment added by Jatibi ( talk • contribs) 04:30, 18 September 2020 UTC (UTC)
A claim from bostonreview.net has been added that Pulse oximeters may contribute to "systemic racism" because of errors induced by skin color. Bostonreview.net labels itself as 'political and literary forum'. I question whether this is a reliable source for a science/medical article. The source appears to be an opinion piece, synthesizing a claim that isn't patent in its own sources. Pulse oximeters demonstrate a color bias, not a racist bias. It strikes me as a highly dubious bit of political theater being introduced into an otherwise well documented article. Do pulse oximeters potentially produce erroneous results for people with 'non-white' skin color? Probably so. That's a technical issue that needs to be fixed, not a political issue. It becomes a political issue only if we force that value judgement onto device that has no political bias itself. The best that might be said is that the scientists who created pulse oximeters failed to take into account skin color. That's a "duh" and an "oops", not evidence of white supremacy or whatever we choose to characterize it.
Yes, this is a rant. Politicizing a benign device that has a shortcoming - serious, as the case can be made - isn't helpful. It's a technical issue that can be addressed by application of technical fixes. No more, no less. Anastrophe ( talk) 20:46, 20 September 2020 (UTC)
Wikipedia now says:
"Research has suggested that error rates in common pulse oximeter devices may be higher for adults with dark skin color, leading to claims of encoding systemic racism in countries with multi-racial populations such as the United States".
If this is racism, why black scientists haven't created any solution to this?
91.159.184.121 ( talk) 08:42, 31 January 2023 (UTC)
This article was the subject of a Wiki Education Foundation-supported course assignment, between 28 August 2023 and 13 December 2023. Further details are available
on the course page. Student editor(s):
Rheatandon (
article contribs).
— Assignment last updated by Wu ib ( talk) 18:48, 2 October 2023 (UTC)
I’m curious why in the history section no mention is made of HP’s pulse oximeters which were quite common (if not dominant and the “gold standard” for comparison in the 70s and 80s). There were other mfrs, too.
Specifically, the HP 47201A, described here: [1]
If you go out to PubMed, you’ll find plenty of articles comparing the accuracy of various PulseOxes, and the HP is almost always in there. [2] West, et al., “Dynamic in vivo response characteristics of three oximeters: Hewlett-Packard 47201A, Biox III, and Nellcor N-100” doi:%2010.1093/sleep/10.3.263
Seems like this article was sort of crafted from a recent summary somewhere else.
W6rmk ( talk) — Preceding undated comment added 23:37, 26 December 2023 (UTC)
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I find the term 'red infrared' a bit misleading and unaccurate. I would rather use 'red + infrared', or, more appropiately, '(a beam) comprised of red and infrared wavelengths'. However I don't dare to edit it (I'm an electronic engineer -- i.e. a layman in medicine). -- Biscay 09:42, 20 June 2007 (UTC)
The wii vitality sensor is not the first time a pulse oximeter is used for entertainment purposes. To my knowledge the Wild Divine Project was the first, using such a sensor in its lightstone. 70.173.237.166 ( talk) 02:33, 8 May 2010 (UTC)
Hi, I wonder why the its use in deep sea diving is ommited —Preceding unsigned comment added by 124.82.136.146 ( talk) 02:49, 7 June 2010 (UTC)
The Wild Divine IR sensor only measures pulse rate, not SpO2 Oxygen saturation level. — Preceding unsigned comment added by 98.114.249.159 ( talk) 19:03, 14 July 2011 (UTC)
I think that these two articles cover enough of the same ground that the devices and their use can safely be merged into a single article. WhatamIdoing ( talk) 22:56, 23 December 2008 (UTC)
I'm not knowledgeable enough to edit the main page, however I would like to bring this to the attention to someone who may choose to do so. Advancements in the device now allow for better measurement to help detect anemia. I'm not sure the specifics of the advancement, or the full reach the improvements have on its capabilities. Hopefully someone can update this to reflect that information. Thanks — Preceding unsigned comment added by Mmcclel ( talk • contribs) 22:32, 23 April 2012 (UTC)
http://well.blogs.nytimes.com/2011/11/17/a-mothers-fight-for-newborn-hearts/ has some information about newborn screening that might be interesting as part of the history section. WhatamIdoing ( talk) 01:25, 24 April 2012 (UTC)
doi:10.1016/S0140-6736(12)60107-X - doesn't pick up all cases but being a blue baby is strongly indicative of having a congenital heart defect. JFW | T@lk 12:01, 2 July 2012 (UTC)
This article seems to be about pulse oximetry. It never explains the actul working of a pulse oximeter. In general this is an unsuffcient article for an encyclopedia. It does not give any in depth information. 94.214.169.166 ( talk) 17:26, 26 May 2013 (UTC)
Not sure if this is the correct way to comment here, but wanted to point out that the "correct position" photo (blue remote pulse oximetry sensor on patient finger tip) appears to be incorrect. Typically the lead wire is on the same side as the red/IR LEDs, which should be placed on TOP of the patient's finger tip above the fingernail. This link [1] to the manufacturer documentation for a Masimo pulse oximter with remote sensor shows the correct positioning on page 1-5. This positioning is also evidenced in the topmost photo of the setup used for sleep monitoring (wrist oximeter with remote sensor). (I'm an RN and use pulse oximeters every day). - DawL VuDu DawL ( talk) 22:55, 22 June 2013 (UTC)
I second the comment above. The picture is incorrect. In all probes, when the probe is correctly positioned, the lead wire is on the nail side of the finger, running across the back of the hand (not the palm). Most probes have a fingernail impression in the sensor's plastic housing to show which side goes on the fingernail side of the finger. The photo with the blue sensor depicts incorrect placement. — Preceding unsigned comment added by Carol4929 ( talk • contribs) 15:02, 24 August 2015 (UTC)
I don't know the term for hardware, but I know for software they call it "vaporware" when something is announced and then never becomes a real product. I am tempted to delete the information about oximeters for nintendo Wii video game console because it was announced in 2009 and here we are in 2015 and it never happened.— Preceding unsigned comment added by DevRockinAZ ( talk • contribs) 11:04, 24 July 2015 (UTC)
Hello fellow Wikipedians,
I have just added archive links to 5 external links on
Pulse oximetry. Please take a moment to review
my edit. If necessary, add {{
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I have just modified 3 external links on Pulse oximetry. Please take a moment to review my edit. If you have any questions, or need the bot to ignore the links, or the page altogether, please visit this simple FaQ for additional information. I made the following changes:
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(last update: 5 June 2024).
Cheers.— InternetArchiveBot ( Report bug) 02:05, 11 November 2016 (UTC)
Does the p in SpO2 really stand for peripheral? I would have guessed it stood for 'pulse oximeter'. I would assume SaO2 is typically measured (or at least calculated) from peripheral arterial blood on ABGs, which makes the "peripheral" designation of SpO2 curious. Maybe this term is from the old 1970s non-"pulse" oximeters that worked on fingers in an attempt to estimate the SaO2. Mauvila ( talk) 03:19, 19 January 2018 (UTC)
Article Location:
Section: Function
Paragraph excerpt: "By subtracting the minimum transmitted light from the peak transmitted light in each wavelength, the effects of other tissues are corrected for.[43]"
Reference "[43]" = ""Pulse Oximetry". Oximetry.org. 2002-09-10. Archived from the original on 2015-03-18. Retrieved 2015-04-02."
Does not explain why more than one frequency is required.
Does not explain that if only one frequency were available, which would be the preferable for obtaining the same data, or it is not possible to even guess a conclusion with only one frequency.
Does not explain history on how both frequencies were chosen.
Does not explain the reasoning behind the relationship of Red and Infrared frequencies.
Gedium ( talk) 07:34, 2 June 2018 (UTC)
Lack of citation in 3.1 Advantages. " Portable pulse oximeters are also useful for mountain climbers and athletes whose oxygen levels may decrease at high altitudes or with exercise. Some portable pulse oximeters employ software that charts a patient's blood oxygen and pulse, serving as a reminder to check blood oxygen levels." wizbang_fl 04:30, 18 September 2020 (UTC) — Preceding unsigned comment added by Jatibi ( talk • contribs) 04:30, 18 September 2020 UTC (UTC)
A claim from bostonreview.net has been added that Pulse oximeters may contribute to "systemic racism" because of errors induced by skin color. Bostonreview.net labels itself as 'political and literary forum'. I question whether this is a reliable source for a science/medical article. The source appears to be an opinion piece, synthesizing a claim that isn't patent in its own sources. Pulse oximeters demonstrate a color bias, not a racist bias. It strikes me as a highly dubious bit of political theater being introduced into an otherwise well documented article. Do pulse oximeters potentially produce erroneous results for people with 'non-white' skin color? Probably so. That's a technical issue that needs to be fixed, not a political issue. It becomes a political issue only if we force that value judgement onto device that has no political bias itself. The best that might be said is that the scientists who created pulse oximeters failed to take into account skin color. That's a "duh" and an "oops", not evidence of white supremacy or whatever we choose to characterize it.
Yes, this is a rant. Politicizing a benign device that has a shortcoming - serious, as the case can be made - isn't helpful. It's a technical issue that can be addressed by application of technical fixes. No more, no less. Anastrophe ( talk) 20:46, 20 September 2020 (UTC)
Wikipedia now says:
"Research has suggested that error rates in common pulse oximeter devices may be higher for adults with dark skin color, leading to claims of encoding systemic racism in countries with multi-racial populations such as the United States".
If this is racism, why black scientists haven't created any solution to this?
91.159.184.121 ( talk) 08:42, 31 January 2023 (UTC)
This article was the subject of a Wiki Education Foundation-supported course assignment, between 28 August 2023 and 13 December 2023. Further details are available
on the course page. Student editor(s):
Rheatandon (
article contribs).
— Assignment last updated by Wu ib ( talk) 18:48, 2 October 2023 (UTC)
I’m curious why in the history section no mention is made of HP’s pulse oximeters which were quite common (if not dominant and the “gold standard” for comparison in the 70s and 80s). There were other mfrs, too.
Specifically, the HP 47201A, described here: [1]
If you go out to PubMed, you’ll find plenty of articles comparing the accuracy of various PulseOxes, and the HP is almost always in there. [2] West, et al., “Dynamic in vivo response characteristics of three oximeters: Hewlett-Packard 47201A, Biox III, and Nellcor N-100” doi:%2010.1093/sleep/10.3.263
Seems like this article was sort of crafted from a recent summary somewhere else.
W6rmk ( talk) — Preceding undated comment added 23:37, 26 December 2023 (UTC)