> [..] and the person hypothetically has a heart condition. That alone is a massive problem - how do you know? Most people only discover things like this when

> [..] and the person hypothetically has a heart condition. That alone is a massive problem - how do you know? Most people only discover things like this when things start going wrong. And if you make things go wrong, then you risk doing even more damage. I've never had any of the tests done professionally, but I imagine there is a certain amount of assessment that takes place before the tests are even conducted.