Emergency dispatcher assistance decreases time to defibrillation in a public venue: a randomized controlled trial

The American Journal of Emergency Medicine
Sattha Riyapan, Jeffrey Lubin

Abstract

We attempted to determine the effect of prearrival instructions that included the specific location of automated external defibrillators (AEDs) in a public venue on the time to defibrillation in a simulated cardiac arrest scenario using untrained bystanders. The study was a randomized controlled trial at an urban shopping mall. Participants were asked to retrieve an AED and come back to defibrillate a mannequin. Only the experimental group received the location of the AED. We measured the percentage of shocks that were delivered in less than 3 minutes from the start of the scenario and also recorded several other time intervals. Thirty-nine participants completed the study, with 20 participants in the experimental group. The median time to defibrillation in the experimental group was 2.6 minutes (interquartile range, 2.4-2.8) which was significantly less than the control group's median time of 5.9 minutes (interquartile range, 4.38-7.65). Ninety percent (95% confidence interval, 68.3%-98.8%) of the participants in the experimental group defibrillated within 3 minutes, which was significantly different from the control group (10.5%; 95% confidence interval, 1.3%-33.1%). In this study, a prearrival protocol providing participants...Continue Reading

References

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Citations

Aug 17, 2018·Prehospital Emergency Care : Official Journal of the National Association of EMS Physicians and the National Association of State EMS Directors·Joel Neves BriardValérie Homier
Dec 24, 2018·Prehospital Emergency Care : Official Journal of the National Association of EMS Physicians and the National Association of State EMS Directors·Isabel GardettChristopher Olola
Oct 19, 2017·European Heart Journal. Quality of Care & Clinical Outcomes·Christopher M SmithGavin D Perkins
Dec 5, 2019·The New England Journal of Medicine·William J BradyCorey M Slovis

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