[FRIAM] New information on COVID-19y bb

[Merle Lefkoff]

Thanks, Ed.  You are exactly right.  A friend of my daughter's in Boulder
who is in her late forties but has some health challenges, felt ill back
toward the middle of March.  She called her doctor who then asked her to
check her oxygen level.  It was way below 90 and he then treated her for
pneumonia (I think it was steroids).  She later tested positive for the
virus and she seems to be fully recovered.  (This was before the Times
story.)  Smart doctor, and maybe there's a frustrating time lag before the
public gets the news.

On Fri, Apr 24, 2020 at 10:08 AM Edward Angel <angel at cs.unm.edu> wrote:

> The point is that if you check your blood oxygen level you might catch the
> problem before it is so bad that you have to be put on a ventilator and
> probably won’t survive.
>
> 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)   angel at cs.unm.edu
> 505-453-4944 (cell)  http://www.cs.unm.edu/~angel
>
> On Apr 24, 2020, at 9:46 AM, <thompnickson2 at gmail.com> <
> thompnickson2 at gmail.com> wrote:
>
> Remind me, someone.  Why are we all buying oximeters?  I thought the
> burden of the Times article was that IF you are sick from a “cold”, don’t
> wait to test your O2 levels until you EXPERIENCE difficulty breathing,
> because by then it might be too late.  Do you all have colds?   I suppose,
> given that it takes Amazon six weeks to get one, you are wise to get a jump
> on it.
>
> Nick
>
> Nicholas Thompson
> Emeritus Professor of Ethology and Psychology
> Clark University
> ThompNickSon2 at gmail.com
> https://wordpress.clarku.edu/nthompson/
>
>
> *From:* Friam <friam-bounces at redfish.com> *On Behalf Of *Roger Critchlow
> *Sent:* Friday, April 24, 2020 9:40 AM
> *To:* The Friday Morning Applied Complexity Coffee Group <
> friam at redfish.com>
> *Subject:* Re: [FRIAM] New information on COVID-19
>
>
>
> On Thu, Apr 23, 2020 at 8:32 PM Roger Critchlow <rec at elf.org> wrote:
>
>
> I wonder if any of those cell phone pulsimeters could be upgraded to
> oximeters with some calibration?
>
>
> 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.
>
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-- 
Merle Lefkoff, Ph.D.
President, Center for Emergent Diplomacy
emergentdiplomacy.org
Santa Fe, New Mexico, USA
merlelefkoff at gmail.com <merlelefoff at gmail.com>
mobile:  (303) 859-5609
skype:  merle.lelfkoff2
twitter: @Merle_Lefkoff
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