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by gus_massa 12 days ago
> The speed of the pressure wave is one signal that correlates with blood pressure.

Can it distinguish 200/180 from 120/100? I expect it to depend more on the difference than the absolute value, but fluid dynamic inside flexible tubes is a nightmare.

> They did run a clinical study as well, so presumably more details will come out whenever that's published.

I'm always more skeptical.