I have weird dreams, none about my heart best I can remember. I have a few a night, and wake up between. I have never been aware of any heart racing when I wake up.
I don't know if BB is part of my problem or not. I have been on BB since late 2007 and on CCB too since about a year ago. When I started the CCB, my BB was cut in half, the dreams remain the same problem. Problem: some upset when I wake up, but that goes away quickly and I forget details in minutes or hours.
So, while I have discussed my dream "problem: with my Cardiologist, my EP and my Primary care, none seem very interested. I guess it will not kill me.
Sounds like a typical REM dream - I have them at times. Awake from a vivid dream with an elevated heart rate that subsides to normal in a few minutes. While I can understand where you are coming from, I think you are over analyzing the situation. Unless you are beginning to have new symptoms I don't think calling the cardiologist is necessary.