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Updated: Apr 6, 2026

Standardized Model of Ventricular Fibrillation and Advanced Cardiac Life Support in Swine
Published on: January 30, 2020
[Semi-automatic defibrillators does not always interpret heart rhythms correctly. Five patients were defibrillated
Burkard Wangenheim1, Johan Israelsson1, Michael Lindstaedt2
1Länssjukhuset - Medicin/kardiologi Kalmar, Sweden Länssjukhuset - Medicin/kardiologi Kalmar, Sweden.
Abstract:
Automated external defibrillators (AED) have become an important part of the »the chain of survival« in case of sudden cardiac arrest (SCA), where early defibrillation is lifesaving. The American Heart Association demands that AEDs have a specificity of >99 % to recognize normal sinus rhythm and >95 % for the other non-shockable rhythms. Reports on their performance in the field are scarce. We present five cases in which AED recommended shock for apparently non-shockable rhythms. This indicates the necessity to systematically reevaluate AED performance.
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