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  • Defibrillators - How Do Defibrillators Work - NHLBI, NIH
    Defibrillators detect dangerous arrhythmias and can send an electric shock to the heart to restore a normal heartbeat Some implanted defibrillators can also act like pacemakers
  • How defibrillators work explained simply - How Equipment Works
    To defibrillate a heart, one needs to pass a very large current through the heart to silence the heart muscle cells A low current would not work A major design requirement of defibrillators therefore is to have the ability to provide the large current needed to defibrillate a heart
  • How Does a Defibrillator Actually Work? - DefibsPlus
    What Does a Defibrillator Do? A defibrillator can monitor and regulate heartbeats to re-establish a healthy, regular rhythm It can do this because of how the heart works, using electrical impulses to contract and relax different chambers to pump oxygenated blood around the body
  • How does a defibrillator work? - BBC Science Focus Magazine
    In defibrillators designed for untrained people to use, two self-adhesive electrodes are attached to the body, to deliver the electric current to the heart If the shock delivered by the defibrillator isn’t strong enough, the heart might not completely repolarise, and the abnormal rhythm continues
  • What is Defibrillation and How Does it Work? - cardiovasculardiseasehub. com
    Defibrillation is the process of delivering a controlled electric shock to the heart to stop an abnormal and dangerous heart rhythm, allowing the heart to reset and resume a normal rhythm
  • Defibrillator: Types, Uses and Purpose - Cleveland Clinic
    How does a defibrillator work? You should continue giving CPR while waiting for a defibrillator to be ready to use Before you deliver the shock, make sure no one is touching the person who’s about to receive the shock (or their bed)
  • How Do Defibrillators Work? | AED Machine - AED USA Knowledge
    What is a Defibrillator? A defibrillator is a device intended to treat ventricular fibrillation To do this, the defibrillator passes a brief electrical current through the heart, which depolarizes cardiac muscle and allows the body’s natural pacemaker to re-establish a proper rhythm
  • Understanding defibrillators: what they are and how to use them
    It helps get the heart beating again when someone is in cardiac arrest and their heart has stopped You might also hear it being called a defib, a PAD (public access defibrillator) or an AED (automated external defibrillator) If someone is in cardiac arrest, call 999 and start CPR


















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