Dr. Douglas Zipes answers the question: 'What Is A Defibrillator, How Is It Used — -- Question: What is a defibrillator and how is it used in the emergency room? Answer: A defibrillator is a ...
This means that when someone has a cardiac arrest (when the heart stops pumping blood around your body) and a bystander calls 999, the ambulance services can direct them to the nearest registered ...
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