Didn't you just have an episode of chest pain and tingling/numbness in your arms? Sounds like the doctor needs to investigate a little further and find out what's causing these sx.

I get light headed, too, if I stand up too quickly or move my head too quickly. It's not dizzy like a spinning sensation but just a feeling of unbalance that makes me unsteady on my feet.

I hope you'll tell your doctors about this and let them try and decide what's causing all these sx. Feel better....