AtaCor Medical, Inc., a privately-held medical device company focused on transforming cardiac rhythm management, recently announced that it has initiated its ASCEND EV study. The prospective, non-randomized international study aims to evaluate the safety and performance of AtaCor’s all-in-one Extravascular Implantable Cardioverter Defibrillator (EV-ICD) Lead System in combination with leading commercially available transvenous ICDs.