Heart Monitor - Can I make one work?

Hey, so I was wondering if there was any way I could make a heart monitor, kind of like the one shown
here: skip 20 seconds in and ignore the guy on screen) https://youtu.be/1cNjDefBJKA
I want to make a hospital with working machines but idk if this is possible. If anyone knows theres a way to make this work, that would be great if you responded!

You could model or build your monitor and use beams for moving image (your cardiogram)

Beam tutorial: