There are very few items in first aid which have such a dramatic and life changing effect as a defib. But lack of knowledge about how to use a defibrillator is the main barrier to the phenomenal effect an AED can have. These Expert Insights will help you to understand answers to questions such as 'What does a defibrillator do?' and 'When should I use a defibrillator?' At Anchor Safety we believe it is vital that everybody has defibrillator training so that they know how to save a life in the event of cardiac arrest.