• Läkartidningen · Aug 2015

    Case Reports

    [Semi-automatic defibrillators does not always interpret heart rhythms correctly. Five patients were defibrillated despite non-shockable rhythms].

    • Burkard Wangenheim, Johan Israelsson, Michael Lindstaedt, and Jörg Carlsson.
    • Länssjukhuset - Medicin/kardiologi Kalmar, Sweden Länssjukhuset - Medicin/kardiologi Kalmar, Sweden.
    • Lakartidningen. 2015 Aug 4; 112.

    AbstractAutomated 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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