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An automatic external defibrillator, also known as an AED is used to shock a patient’s heart who has gone into sudden cardiac arrest. A shock, if needed, is delivered in order to encourage the heart to start beating again at it’s natural pace. A sudden cardiac is caused by an electrical fault with the heart which interferes with how it beats which subsequently stops blood being pumped around the body. A person will fall unconscious and need medical assistance urgently.Thankfully, AEDs have been …