May 17, 2011

A link between emergency dispatch and public access AEDs: potential implications for early defibrillation

Resuscitation
Thomas D ReaMickey Eisenberg

Abstract

Public access defibrillation can improve survival but is involved in only a small fraction of out-of-hospital cardiac arrest. One approach to increase involvement is to couple emergency dispatch with mapping technology to identify public access automated external defibrillators (AEDs) that are on-site or nearby. We conducted a retrospective observational cohort investigation of out-of-hospital cardiac arrest who received dispatch by a community dispatch center between January 1, 2007 and December 31, 2009. The dispatch system is linked to the public access AED registry. The technology enables dispatcher alert of an on-site AED and the potential to alert for an AED within 0.1 mile. We report the observed and potential frequency of AED involvement. Of the 763 cardiac arrest events, 4.2% (32/763) had an AED applied by non-EMS persons, 1.3% (10/763) by police and 2.9% (22/763) in layperson settings. Among the remaining 731 where an AED was not applied, 8.1% (59/731) had an AED identified through dispatch; 18 with an AED on-site and an additional 41 with an AED within 0.1 mile. When restricting to ventricular fibrillation arrests, 8.9% (16/179) had an AED applied by non-EMS persons, 2.8% (5/179) by police and 6.1% (11/179) in layper...Continue Reading

Mentioned in this Paper

Ophthalmoplegia
Ventricular Fibrillation
Emergency Care
Alert brand of caffeine
Survival Analysis
Observation - Diagnostic Procedure
EMS System
Retrospective Studies
Defibrillators, External
Out-of-Hospital Cardiac Arrest

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