The Department of Health today (December 31) drew the public's attention to a safety alert issued by Cardiac Science Corporation concerning its defibrillation electrodes (model number PN9131-001) of lot number 141125-02 and with a June 12, 2017, expiry date used in Powerheart G3 9300A, 9300E, 9300P, 9390A and 9390E Automatic External Defibrillators, as they may exhibit higher than expected electrical impedance over time.   Close