@tsch Ablations have a finite life because the heart is disordered and is continually looking to build new foci for the rogue signals that make the heart beat chaotically. Most ablations fail between 3-5 years, typically, but some last much longer. Also, there is often no reason not to ablate a second, a third, or even a fourth time, but it depends on the overall health of the patient and the structure of their heart. This is where you should see at least two different electrophysiologists for thorough consultation. You want two opinions. If they jive, then I would counsel you to proceed on their shared opinion. If they differ, you have a choice to make or to seek yet a third consultation and hope you don't have a third option...you want an option that matches one of the first two provided to you.

Two opinions so far say he is a reasonable bet to do well with nuking the AV node and just relying on a pacemaker. This is the state literally millions have learned they are in, and they have gone on to live full lives relying on an implanted pacemaker. They work. They also take over from the now-neutralized AV node and provide the 'pacing' his ventricles need to beat at a much more reasonable......AND RELIABLE....rate.

I advise you to learn, from the first two opinions, why a second attempt at an ablation is not what they recommend. If it makes abundant sense, then you both know what to do. The sooner the better.