I went off coumadin only the day before the procedure and started again after the procedure was done, so in total I was 24 hours without any. There wasn't any unusual or extra bleeding either. was quicker to get back to theraputic level too.
Like Tom said trust your EP, they should have done this procedure lots of times.
How you feeling Tom?
Any procedure carries with it associated risks. If you believe in your EP, trust his instructions. Overall, the procedure is relatively safe. I'm right behind you on Nov. 16th.