Polyurethane leads.
D000818:Animals; D001145:Arrhythmias, Cardiac / Q000628:therapy*; D004567:Electrodes, Implanted / Q000592:standards*; D006801:Humans; D010138:Pacemaker, Artificial / Q000009:adverse effects*; D011140:Polyurethanes; D012306:Risk
D011140:Polyurethanes