TM in the ablation treatment of persistent atrial fibrillation (AF) Pulmonary vein isolation (PVI) plus STAR-guided ablation demonstrates superior ity to either PVI alone or when PVI was combined with other ablation techniques London, 26th January 2021: RHYTHM AI Ltd, a UK company focused on the treatment of Atrial Fibrillation (AF), today announces publication of a clinical outcome study for its STAR (Stochastic Trajectory Analysis of Ranked signals) Mapping system, which is designed to improve outcomes in patients receiving ablation treatment for persistent AF. The article in the peer-reviewed journal, Journal of Cardiovascular Electrophysiology is titled "Ablation guided by STAR Mapping, in addition to pulmonary vein isolation, is superior to pulmonary vein isolation alone or in combination with CFAE/linear ablation for persistent AF".*