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Blood pressure e-tattoo promises continuous, mobile monitoring

news.utexas.edu

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Re: Blood pressure e-tattoo promises continuous, mobile monitoring

#3
post #2

What is an electronic tattoo? Based on the phrasing in this article I can't determine if this is a wearable device that magnitizes to some weird tattoo or the device is the "tattoo"

Looks like you're putting a super thin layer of graphene on the skin, here's a tweet I found from one of the people working on this mentioned in the article.

https://mobile.twitter.com/dr_kireev/status/1385428450719145...

Re: Blood pressure e-tattoo promises continuous, mobile monitoring

#4
“The device takes its measurements by shooting an electrical current into the skin and then analyzing the body’s response, which is known as bioimpedance. There is a correlation between bioimpedance and changes in blood pressure that has to do with blood volume changes. However, the correlation is not particularly obvious, so the team had to create a machine learning model to analyze the connection to get accurate blood pressure readings.”

Yikes. Sounds like something that would have huge variations depending on the person’s skin type, hydration, age, and a bunch of other factors.

Probably a pipe dream, since it’s a university press release.

Re: Blood pressure e-tattoo promises continuous, mobile monitoring

#6
post #3
post #2

What is an electronic tattoo? Based on the phrasing in this article I can't determine if this is a wearable device that magnitizes to some weird tattoo or the device is the "tattoo"

Looks like you're putting a super thin layer of graphene on the skin, here's a tweet I found from one of the people working on this mentioned in the article. https://mobile.twitter.com/dr_kireev/status/1385428450719145...

Thanks. I thought this was a real tattoo which would have been pretty wild

Re: Blood pressure e-tattoo promises continuous, mobile monitoring

#7
> The device takes its measurements by shooting an electrical current into the skin and then analyzing the body’s response, which is known as bioimpedance.

I thought this would be a passive sensor, but this makes it seem like it's not. Is the electrical current produced "wirelessly" using an electromagnetic field (radio), as in those batteryless sensors? The article makes no comment on how this would work practically.

Re: Blood pressure e-tattoo promises continuous, mobile monitoring

#9

“The device takes its measurements by shooting an electrical current into the skin and then analyzing the body’s response, which is known as bioimpedance. There is a correlation between bioimpedance and changes in blood pressure that has to do with blood volume changes. However, the correlation is not particularly obvious, so the team had to create a machine learning model to analyze the connection to get accurate bl…

You could probably calibrate it to each person, and maybe recalibrate every couple months. Still leaves you with a bunch of factors, but maybe those can be controlled for (measuring skin conductivity in addition to impedance?).

Re: Blood pressure e-tattoo promises continuous, mobile monitoring

#10
My personal anecdata, I would like to share: I developed blood pressure problems last year (140-160/85-95). My doc told me I needed to start meds. I didn't want to though.

So in January, I started reducing my Caloric intake. I lost 7 kilos, down from 83kg to 76kg (I am 1.70m tall).

My blood pressure went down to (110-120/60-75). No meds required. Just ate less.

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