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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
  • Defibrillator: Types, Uses and Purpose - Cleveland Clinic
    A defibrillator is a device that provides an electric shock to your heart to allow it to get out of a potentially fatal abnormal heart rhythm, or arrhythmia, — ventricular tachycardia (with no pulse) or ventricular fibrillation — and back to a normal rhythm
  • What is Defibrillation and How Does it Work?
    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
  • 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
  • How Does a Defibrillator Actually Work? - DefibsPlus
    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
  • Understanding defibrillators: what they are and how to use them
    A defibrillator is a device that gives a jolt of energy to the heart It helps get the heart beating again when someone is in cardiac arrest and their heart has stopped
  • How Do Defibrillators Work? | AED Machine
    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
  • What Is a Defibrillator? - Mass General Brigham
    How does a defibrillator work? Doctors use ICDs to treat ventricular tachycardia (VT) and ventricular fibrillation (VF) Both of these arrhythmias can be fatal ICDs are small, battery-powered devices that doctors implant in the chest near the heart Similar to a pacemaker, ICDs constantly monitor a person’s heartbeat
  • How Does A Defibrillator Work? | Life-Saving Technology
    Key Takeaways: How Does A Defibrillator Work? Defibrillators restore normal heart rhythm They deliver electric shocks to the heart Automated devices guide user through steps Quick response increases survival chances Training enhances effectiveness in emergencies





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