Sorry to hear about your troubles. Doctors have a way of taking you on roller-coaster rides, and surprisingly frequently its the journey that ends up being harmful. It’s cliche to say advocate for yourself, but seriously, you have to. Ask to know WHY for every medication and test, and HOW the various results with affect your treatment path. To be honest, I’m getting the impression you’re funding your PCPs education on a topic that has no treatment, but I’m a little jaded. Fingers crossed for you…
Now for some practical info: I’ve had chronic hypertension for a long time. It doesn’t respond well to medication. I tried beta blockers for a while and the most noticeable affect is a significant reduction in heart rate. Both resting (several bpm), and active (like 40bpm). It also took about 10 minutes for my HR to pick-up when I started workouts, possibly limiting how hard I could go out of the gate. On the bright side, it does apparently increase stroke-volume, so actually your cardiac output might actually be unchanged.
As for statins, I find the science of “lowering cholesterol” dubious. As you highlight there are actually significant side effects, and they’ve been pretty well papered over for a long time. But if you’re going to take them, definitely take coq10. And not the cheap ubiquinol form, you want the ubiquinone form sold under the brand Qunol (they have a patent or something, so anyone selling a bottle is paying them anyway; costco has a reasonably priced bottle).