I didn't reverse-engineer the protocol for my blood pressure monitor in 24 hours

Post by barbazoo » Wed, Nov 12, 2025, 10:53 PM UTC

hermitcrab wrote: post #148

barbazoo wrote: post #140

Earlier quoted context omitted.

> The Hilo Band uses photoplethysmography (PPG)—an optical sensor technology that collects data from your wrist. This data is sent securely through the Hilo App to Hilo’s cloud server, where advanced algorithms estimate your blood pressure using Pulse Wave Analysis (PWA), which looks beyond just the rate of your pulse, and examines the unique form of each heartbeat’s pressure through your blood vessels. I doubt that…

I can do 3 cuff readings within 5 minutes are easily get +- 10 for each measurement. So it doesn't have to be super precise to have comparable accuracy to a cuff. Also the fact it is making continuous readings (even while asleep) is very helpful.

Post by hermitcrab » Wed, Nov 12, 2025, 11:02 PM UTC

cosmojg wrote: post #149

hermitcrab wrote: post #120

Earlier quoted context omitted.

It seems pretty consistent with a cuff. Also it doesn't jump around wildly from one minute to the next.

How comfortable is it? Do you have to wear it particularly tightly around your wrist or can you let it hang a little loose like a watch?

Post by tharkun__ » Thu, Nov 13, 2025, 3:39 AM UTC

ninalanyon wrote: post #134

jvanderbot wrote: post #106

Buried deep is this gem: I tried feeding a lot of this into various Als (Kagi gives you access to a few with a nice interface) and I found that they mostly were stupid in ways that made me think. Perfect summary of why AI is useful for rubber ducking. Doing this with a co-worker you always get some questions that are a few layers too shallow for what you need (because they haven't been thinking about it more than a f…

Even when the duck doesn't answer at all it still often works. I worked next to another engineer in the early eighties who was working on a different project. At tea break time we got into the habit of sitting opposite each other and explaining the problems we were having. Neither of us put much, if any, effort into trying to solve the other's problems because it often turned out that simply attempting to formulate t…

Post by dhosek » Thu, Nov 13, 2025, 2:46 PM UTC

atourgates wrote: post #51

dhosek wrote: post #31

Earlier quoted context omitted.

I got it when an eye clinic wanted to do my blood pressure (which is kind of weird in itself), which they did shortly after the glaucoma test which never works for me because I have an overdeveloped blink reflex and it turned up high. It really amazes me how people whose job it is to take blood pressure don’t recognize the stress situations that people are in might result in abnormal readings.

Beyond any clinical reason that your eye clinic might want to know your blood pressure (your vascular system is pretty important to your vision) - they may have been incentivized by the CMS to track blood pressure via the MIPS program which ties provider payments to specific documentation and screening measures. AKA - the government might pay your eye clinic more if they screen you for high blood pressure. (Among oth…

Post by adastra22 » Fri, Nov 14, 2025, 12:46 AM UTC

alexfoo wrote: post #158

adastra22 wrote: post #45

Earlier quoted context omitted.

Get on ACE inhibitors. Even a low dose cuts out the variance.

Yeah, I'm going to take Internet advice to get on some medication that I don't have any real need to get on. I can live with the variance thanks.