If atrial fibrillation develops in this setting, the rapid atrial rate can be conducted down the accessory pathway to cause ventricular fibrillation. I can't determine whether you need an ablation procedure now, but ablation is the standard form of treatment for accessory electrical pathways in the heart and should thus be covered by insurance. The advantage of ablation is that it is a one-time procedure that is usually curative. I suggest that you speak with your cardiologist regarding the indications for ablation and hold off on the IVF treatments until this issue is settled. I hope this information is useful.
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