It takes awhile before you can tell if the ablation was truly successful. How long has it been? If it's been 6 months with no a-fib then that's pretty good. You could ask your cardio, see if it's OK to try a small drink. I've had 3 ablations for tachy problems and I still can't tolerate alcohol. At most I can drink 6oz of a mild beer. Oh well, at least it isn't something critical like water or chocolate (just kidding).
Drinking means different things to different people. Because of my a fib I was advised not to drink. When I brought up the subject with my cardiologist and told him my "drinking" was no more than one beer or a glass of wine a day, he said not to worry. If "drinking" means more than that, I would certainly be cautions due to a number potential health problems, heart being one of them. Certainly an honest discussion with your doctor could help clarify the issue for you.
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