I have heard that can happen with an avnrt ablation, the av node gets blocked and a
pacemaker is needed. It is the biggest complication from that type of
ablation but I have also heard that it can occur but once the heart settles down and maybe isn't swollen or something it goes away which is probably what your ep is hoping. I do hope that if this is the case with you that yours corrects itself. I think going in and out may be a good sign it will go away.