Abstract 182: Risk of Cardiac Arrest by Location Type to Guide Future AED Placement in a Large Urban Center

TL;DRAbstract

Introduction: Public access defibrillation (PAD) programs can improve survival from out-of-hospital cardiac arrest (OHCA). We aimed to identify high risk public locations which should be prioritized for automated external defibrillator (AED) placement. Objectives: 1) To determine the average annual incidence of cardiac arrest by location type within the study area, 2) To describe current registered PAD deployment by location type. Methods: An observational cohort study using the Resuscitation Outcomes Consortium Epistry database. We included all public location, non-traumatic, EMS-treated OHCAs from January 1, 2006 to June 30, 2010 in the City of Toronto. The total site counts in each location category were derived from a city planning database and used as the denominator in calculating average annual per site cardiac arrest incidence. AED locations were obtained from an EMS registry. Two investigators independently categorized each OHCA and AED location. Disagreements were resolved by

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