Thank you so much for you replies.

Since I have had these problems, I have had an ECG, echo and X-ray done all of which have came back fine. I had several follow up appointments with my cardiologist who read all my monitor results, from PVCs and racing heart and said everything is fine. The only thing he noticed is that I get runs of extra beats (bigeminy) I think and he said they are benign.

I guess I need to not think about it too much, because the more I do I tend to wake up at night with the racing heart and such.
I have just become so unbelievably tuned into my heart beat that I can feel whenever it slows, speeds up, misses a beat and what not. It gets so uncomfortable at times.
Thanks again.