As an aside, an EKG is not remotely the most important part of diagnosis for myocardial infarction; that's the job of the person taking the history. (Myocardial infarction cannot be diagnosed purely from ECG.)
We need a musk like character to shake the medical diagnosis status quo.
ps: I don't want to spend my life obsessing about monitoring my vitals but I'd still prefer to have the option rather than relying on blind faith.
You first to trust your life and your loved ones to the SpaceX or Tesla of the medical world.
But - disruption! Fake it till you make it!
The cost benefit trade off for additional testing isn't just about dollars spent performing the tests. Its about how many thousands of hours of people's lives will be spent in pointless worry and how many additional people will be made sick or killed by testing Vs the additional people that could be saved by additional testing.