Be sure to depress buttons firmly and hold for 2 seconds. Deliver shock following exhalation. Immediately press charge button on paddles without removing the paddles from the chest. Have a second person reset charge to 300 Joules. Do not lean on pads as you might slip off.
Air filled lungs decrease electrical conduction.
Immediately recharging the paddles prepares for delivery of next shock as quickly as possible. Removal of paddles will delay subsequent shock. Immediately press charge button on paddles without removing the paddles from the chest. Have a second person reset charge to 360 Joules. To ensure prompt delivery of 3 successive shocks.