COVIDIEN CADENCE ZOLL PRO-PADZ PEDI AED PADS 8900-1065, 8900-2065. 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 5PK/CS. Price per pack.