Incidence of refibrillation and shock-resistant ventricular fibrillation during OHCA when treated with a public access defibrillator: implications for CPR timing in lay rescuer-treated OHCA.

Amy Kernaghan¹, Adam Harvey², Hannah Currie², Olibhéar McAlister², Robert Walker³, Fred Chapman³, David McEneaney⁴, Jennifer Adgey⁵

¹Stryker Corporation, Belfast, UK amy.kernaghan@stryker.com.

²Stryker Corporation, Belfast, UK.

³Stryker Corporation, Redmond, Washington, USA.

⁴Cardiovascular Research Unit, Craigavon Area Hospital, Southern Health and Social Care Trust, Portadown, UK.

⁵Belfast Heart Centre, Royal Victoria Hospital, Belfast, UK.

PubMed DOI

Abstract

BACKGROUND: Out-of-hospital cardiac arrest (OHCA) treatment often requires multiple defibrillatory shocks due to failed defibrillation or refibrillation. The complete nature of refractory ventricular fibrillation (VF) is unknown, as many studies do not consider shocks delivered by lay rescuers prior to the arrival of basic life support (BLS)/advanced life support (ALS) when quantifying refractory…

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