Medtronic Announces First Procedures in Pivotal Trial to Evaluate Novel Ablation Technology in Treating Atrial Fibrillation Study Will Determine the Safety and Effectiveness of Pulsed Electrical Fields to Interrupt Irregular Heart Rhythms Medtronic plc the global leader in medical technology, today announced the first procedures in the investigational device exemption pivotal trial to evaluate the PulseSelect ™ Pulsed Field Ablation System, a novel, breakthrough technology that uses pulsed electric fields to treat atrial fibrillation . … Study Will Determine the Safety and Effectiveness of Pulsed Electrical Fields to Interrupt Irregular Heart Rhythms Medtronic plc (NYSE: MDT), the global leader in medical technology, today announced the first procedures in the investigational device exemption (IDE) pivotal trial to evaluate the PulseSelect ™ Pulsed Field Ablation (PFA) System, a novel, breakthrough technology that uses pulsed electric fields to treat atrial fibrillation (AF). The first procedure in the PULSED AF pivotal trial was performed this week at Southcoast Health by Nitesh Sood M.D., Fall River, Massachusetts ; the second procedure was performed by Arnoldas Giedrimas, M.D., also at Southcoast Health. The PULSED AF Trial is the first global, pre-market, multi-center clinical study with IDE approval aimed to establish the safety and efficacy of the PulseSelect System.