Medical records can be extremely problematic. I don't know how to get mine (if that's even possible) while I'm alive. I've had too many different doctors over too long of a time period to be able to remember all the different people I'd have to ask (and several of them are no longer even in practice).
It's hard for sure. But much easier for you than your kids/grandkids
All I know is that when I tried to gather my medical records a couple of years ago, I pretty much completely failed.