New information on COVID-19
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Has the list read this article in the NYTimes. What's your take? Santa Fe, New Mexico, USA twitter: @Merle_Lefkoff .-. .- -. -.. --- -- -..-. -.. --- - ... -..-. .- -. -.. -..-. -.. .- ... .... . ... FRIAM Applied Complexity Group listserv Zoom Fridays 9:30a-12p Mtn GMT-6 bit.ly/virtualfriam unsubscribe http://redfish.com/mailman/listinfo/friam_redfish.com archives: http://friam.471366.n2.nabble.com/ FRIAM-COMIC http://friam-comic.blogspot.com/ |
Re: New information on COVID-19
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I found it credible. We're adding a pulse oximeter to the kit. There was another report, https://meaww.com/six-austrian-divers-permanently-damaged-lungs-recovery-mild-coronavirus-covid-19. scuba divers recovered from mild covid infection and ended up with lungs so damaged that it is not safe for them to dive anymore. So many people with less demanding pastimes may be in a similar way but not manifesting the problem, though a dive safety exam would turn it up, and maybe a pulse oximeter, too. I wonder if any of those cell phone pulsimeters could be upgraded to oximeters with some calibration? -- rec -- On Thu, Apr 23, 2020 at 5:32 PM Merle Lefkoff <[hidden email]> wrote:
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We’ve had two life-threatening incidents, one trekking in Nepal and the other in a remote part of Sri Lanka, where the availability of a pulse oximeter made all the difference. We now routinely check our oxygenation with one.
Ed _______________________ Ed Angel Founding Director, Art, Research, Technology and Science Laboratory (ARTS Lab)
Professor Emeritus of Computer Science, University of New Mexico 1017 Sierra Pinon
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Are you saying you carry one when traveling? ============================================ Tom Johnson - [hidden email] Institute for Analytic Journalism -- Santa Fe, NM USA 505.577.6482(c) 505.473.9646(h) NM Foundation for Open Government Check out It's The People's Data ============================================ On Thu, Apr 23, 2020 at 6:52 PM Edward Angel <[hidden email]> wrote:
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Yes. Adds a couple of ounces to our bags/packs.
Ed __________
Ed Angel Founding Director, Art, Research, Technology and Science Laboratory (ARTS Lab) Professor Emeritus of Computer Science, University of New Mexico 1017 Sierra Pinon Santa Fe, NM 87501 505-984-0136 (home) [hidden email] 505-453-4944 (cell) http://www.cs.unm.edu/~angel
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In reply to this post by Edward Angel
Merle, et al - Interesting article... We’ve had two life-threatening incidents, one trekking in Nepal and the other in a remote part of Sri Lanka, where the availability of a pulse oximeter made all the difference. We now routinely check our oxygenation with one. I have had some experience with a mountaineering spO2 meter and a
Withings fitness monitor with built in spO2... the fitness monitor
required removing the unit from the band and holding it diligently
against the pad of a finger, and that didn't always give a good
reading, but once I understood it's idiosyncracies it wasn't bad.
both devices are long-since nonfunctional (not to be worn swimming
or in the shower it seems). It seems like IOT wearables (already saturating the market for
fitness applications) like my Withings could be getting better.
Maybe even good-enough to be useful in
predicting/monitoring/tracking COVID19 symptoms/onset, at least
statistically... There is some precedent with the Kinsa effort to use their IOT thermometer
data to predict abnormal levels of influenza-like symptoms.
There seem to be a number of pulse-oximeter fitness trackers. The Oura ring's
body temperature sensing has already been pressed into service for
a study. I don't know if the "band" form factor is able to
maintain good enough skin-contact to be consistent... I just did a search on the topic and found a number of speculative popular articles on the topic, but haven't had time to dig through them. This was one of the more promising: Our own Mohammed El-Beltagy (cc;ed here) is CTO for a Swedish company (RaceFox) doing using fitness monitors for athletic performance enhancement. He may be more up on the possibilities? - Steve
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Re: New information on COVID-19
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If anyone needs an idea for a microbit project here is one, https://www.sparkfun.com/products/15271 . Cody Smith On Thu, Apr 23, 2020 at 8:39 PM Steven A Smith <[hidden email]> wrote:
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sew one into your mask with an LED readout so everyone can see your spO2, heart rate and temperature? https://www.sparkfun.com/products/11050
(just hold this one under your tongue) while masked? On 4/23/20 8:59 PM, cody dooderson
wrote:
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Re: New information on COVID-19
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Is that a rectal thermometer? Cody Smith On Thu, Apr 23, 2020 at 9:16 PM Steven A Smith <[hidden email]> wrote:
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Re: New information on COVID-19
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In reply to this post by Merle Lefkoff-2
Our microbiologist daughter in New Zealand told us to get a pulse oximeter. She told us on March 31. I ordered from Amazon on April 1. Amazon says it shipped on April 16. We haven’t gotten it yet. We have Amazon Prime, but the order is being fulfilled by another company. In this case, I think Amazon Prime means the wagon is pulled by two oxen. And this was before they were mentioned in the NY Times. —Barry On 23 Apr 2020, at 17:32, Merle Lefkoff wrote:
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In reply to this post by cody dooderson
I guess the lead might be long enough, but probably needs a
different calibration.
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Re: New information on COVID-19
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In reply to this post by Roger Critchlow-2
On Thu, Apr 23, 2020 at 8:32 PM Roger Critchlow <[hidden email]> wrote:
There are a bunch of cell phone pulse oximeter apps that use the cell phone flash and camera, but I don't get the feeling that they've been calibrated much. It's a lot easier to write the code, call it entertainment, and reap the ad revenues that to actually determine what the measurement means in the general population. Some apps have even added some of the other pulse oximeter functions, perfusion, respiratory pleth, Then, again, https://www.ncbi.nlm.nih.gov/pubmed/2921597 says "Smartphone-based pulse oximetry is not inferior to standard pulse oximetry in pediatric patients without hypoxia. Reliability was superior for PBA compared with CBA, with more precise agreement for the PBA compared with the CBA. Future studies should test pulse oximetry apps in a hypoxic pediatric population." That was published in 2018. There's an interesting series of press releases from UIUC claiming that measuring someone's gait (with cellphone accelerometers) over a 6 minute walk is enough to get a good estimate of O_2 saturation, because people who aren't getting enough O_2 apparently walk funny. Here's an android app on github, https://github.com/YahyaOdeh/HealthWatcher, with some more method references, the https://github.com/topics/spo2 listing has a bunch of arduino projects, too. -- rec -- .-. .- -. -.. --- -- -..-. -.. --- - ... -..-. .- -. -.. -..-. -.. .- ... .... . ... FRIAM Applied Complexity Group listserv Zoom Fridays 9:30a-12p Mtn GMT-6 bit.ly/virtualfriam unsubscribe http://redfish.com/mailman/listinfo/friam_redfish.com archives: http://friam.471366.n2.nabble.com/ FRIAM-COMIC http://friam-comic.blogspot.com/ |
Re: New information on COVID-19
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An "In Depth" appears in Science online today, https://science.sciencemag.org/content/368/6490/455, titled "The mystery of the pandemic's ‘happy hypoxia’". It mentions the NYTimes OpEd in passing. One suggestion is that the blood is clotting in the lung capillaries, which interferes with O2 transport by red blood cells while allowing the plain gas transport of CO2 to continue as normal, hence hypoxic but venting CO2 normally and not feeling in the least breathless. 24 of 27 hypoxic patients treated with heparin (a blood thinner also used as a rat poison) recovered well, 2 are still critical, and 1 was transferred to another hospital. That's a good preliminary result. -- rec -- On Fri, Apr 24, 2020 at 11:40 AM Roger Critchlow <[hidden email]> wrote:
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Re: New information on COVID-19
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Roger, It's Coumadin not Heparin that's used as rat poison. I've taken both. Thank God, I'm not a rat in that sense. On Fri, May 1, 2020 at 8:43 AM Roger Critchlow <[hidden email]> wrote:
Frank Wimberly
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Re: New information on COVID-19
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Thank you, Frank, I stand corrected. -- rec -- On Fri, May 1, 2020 at 10:50 AM Frank Wimberly <[hidden email]> wrote:
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