Tv and movies show them as a magical heart restart machine, bringing people back from the dead. But I’ve heard medical professionals say that’s not true, but they never elaborate. I’ve seen portable ones everywhere, so they must be needed fairly regularly.
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Heart defibrillators are used to treat life-threatening cardiac arrhythmias, such as ventricular fibrillation and ventricular tachycardia, which can lead to sudden cardiac arrest. They deliver an electric shock to the heart to restore a normal rhythm. Automated External Defibrillators (AEDs) are commonly used by bystanders or medical professionals when a person’s heart rhythm becomes irregular or stops, and immediate intervention is necessary to increase the chances of survival.
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