[FRIAM] New information on COVID-19y bb

[Roger Critchlow]

Or, the point is that you could survey for blood oxygen levels as a proxy
for the wet testing that isn't available.  Given severe lung damage from
even mild cases, it might also proxy for the immune testing that still
isn't available either.

-- rec --

On Fri, Apr 24, 2020 at 12:08 PM 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.
>
> -- rec --
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