Kalyanam Shivkumar, MD, PhD, FACC, EditorinChief of JACC: Clinical Electrophysiology interviews Harikrishna Tandri, MD, FACC. Dr. Tandri is the author of an editorial to accompany a paper by Marchlinski, Hyman, Chaumont, et al, on The Safety and Efficacy of Epicardial Carbon Dioxide Insufflation Compared to Conventional Epicardial Access.