Automated External Defibrillators (AED) (cont.)
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Pictures: Part 1
Media file 1: This is a heart tracing (ECG) of a person experiencing ventricular fibrillation. Ventricular fibrillation is the most common ECG finding when an adult suffers cardiac arrest.
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Kouwenhouven showed that electrical shocks applied to dogs within 30 seconds of an induced ventricular fibrillation (VF) could produce a 98% rate of resuscitation; however, those shocked after 2 minutes of VF had only a 27% resuscitation rate.