Cardiac fibrillation describes the deterioration of the heart’s electrical activity, which drives the heart’s periodic pumping. This electrical activity, which is usually organized, becomes ...
Background Persistent shockable rhythms (refractory to or recurring after three or more defibrillation attempts) are ...
Victims of sudden cardiac arrest (SCA) can be saved with a small, prompt lightning bolt (i.e., a defibrillator shock) to the chest. The shock (3 to 5 kV and 50 A) stops the heart from unproductive ...
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