COVIDIEN CADENCE ZOLL PRO-PADZ ADULT AED PADS 8900-1055, 8900-2100, 8900-2101, 8900-2303, 8900-4005, 8900-4012. Medi-Trace™ Cadence Defibrillation Electrodes employ an unique silver/silver chloride design resulting in a more uniform distribution of current during defibrillation, pacing and cardioversion. These electrodes incorporate radiotransparent wires to provide a clearer view of the patient during x-ray as well as long lead wires to facilitate easier patient positioning. 2/PK 10PK/CS. Price per pack.