HeartSine Samaritan Pad-Pak - Paediatric (1)HeartSine Samaritan Pad Pak Paediatric (1) HeartSine has taken an innovative approach to maintenance items by incorporating the AED electrodes and batteries into one single use cartridge called the Pad Pak. The advantage to the Pad Pak is that there is only one date to monitor and only one item to replace upon expiration or after use. The Pad Pak Paediatric is suitable for use on children. For children younger than eight years or weighing less than 25