Clinical Research Details Clinical Research Microfidelity (MIFI) Ablation Technology versus Standard Ablation Catheter for Atrioventricular Nodal Ablation - A Comparative Pilot Study of Time to Success Study Description The purpose of this study is to compare the two catheters by using either the new or standard device during your procedure. Investigators Principal Investigator John N. Catanzaro, M.D., FACC, FESC, FHRS Medicine