Field Medical has reported positive first-in-human pulsed field ablation data for atrial fibrillation. Other companies, including Argá Medtech and Pulse Biosciences, have also presented data on pulsed field ablation systems, with some studies suggesting the treatment may be effective for certain types of atrial fibrillation. The efficacy and safety of pulsed field ablation are being explored in various trials and studies, with some results indicating it may be more effective than medical therapy for initial treatment of persistent atrial fibrillation.