The use of leads for cardiac electrophysiology devices has proven nothing short of controversial in the past, usually an artifact of efforts to craft ever-skinnier leads that won’t disrupt the blood vessels into which they are placed. Dublin-based Medtronic plc is working to avoid these problems with leads without sacrificing the advantages of leads via its EV ICD system, which soundly passed the test in a study presented at this year’s edition of the European Society of Cardiology (ESC) annual scientific sessions.