Joshua Cooper, MD, FACC, FHRS, Director of Cardiac Electrophysiology at Temple University Hospital and Professor of Medicine at the Lewis Katz School of Medicine at Temple University, provided perspective to TCTMD on a research letter published online in Circulation: Arrhythmia and Electrophysiology about magnets in commonly used portable electronic devices and close contact with implantable cardiac devices. Dr. Cooper, who was not involved in the research letter, emphasized the importance of patient education.