Time saved with the use of emergency warning lights and siren while responding to requests for emergency medical aid in a rural environment

Prehospital Emergency Care : Official Journal of the National Association of EMS Physicians and the National Association of State EMS Directors
J Ho, M Lindquist

Abstract

To determine whether the use of warning lights and siren saves a significant amount of time for ambulances responding to requests for emergency medical aid in a rural emergency medical services (EMS) setting. A prospective design was used to determine run times for ambulances responding to calls with lights and siren (code 3) and for a similarly equipped "chase" ambulance traveling to the same destination via the same route without lights and siren, while obeying all traffic laws (code 2) within a rural setting. Data were collected for run time intervals, distance traveled, visibility, road surface conditions, time of day, and day of the week. Descriptive statistics, a paired Student's t-test, and analysis of variance were used to test for significant differences between code 2 and code 3 operations, as well as the other variables listed above. Sixty-seven runs were timed during a 21-month period. The average code 3 response interval was 8.51 minutes. The average code 2 response interval was 12.14 minutes. The 3.63 minutes saved on average represents significant time savings of 30.9% (p < 0.01). Shorter runs had higher time savings per mile than the longer runs. Run distance was the only variable that was statistically signific...Continue Reading

Citations

Dec 16, 2006·Prehospital Emergency Care : Official Journal of the National Association of EMS Physicians and the National Association of State EMS Directors·Paul HincheyDonald Garner
Oct 26, 2011·Prehospital Emergency Care : Official Journal of the National Association of EMS Physicians and the National Association of State EMS Directors·Jane H BriceLaurie J Morrison
Jul 20, 2013·Prehospital Emergency Care : Official Journal of the National Association of EMS Physicians and the National Association of State EMS Directors·Ross J FleischmanCraig Warden
Nov 17, 2017·Emergency Medicine Journal : EMJ·Marius RehnDavid Lockey
Jan 28, 2020·International Journal of Injury Control and Safety Promotion·Mathew Varghese
Oct 29, 2003·Prehospital Emergency Care : Official Journal of the National Association of EMS Physicians and the National Association of State EMS Directors·Manish N ShahEric A Davis
Dec 15, 2015·European Journal of Emergency Medicine : Official Journal of the European Society for Emergency Medicine·Fabrice DamiOlivier Hugli
Jul 23, 2005·Prehospital Emergency Care : Official Journal of the National Association of EMS Physicians and the National Association of State EMS Directors·Manish N ShahEric A Davis
Jun 15, 2007·Ergonomics·K Catchpole, D McKeown
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Mar 15, 2006·Prehospital Emergency Care : Official Journal of the National Association of EMS Physicians and the National Association of State EMS Directors·Brendan G CarrCharles C Branas
Jun 28, 2006·Prehospital Emergency Care : Official Journal of the National Association of EMS Physicians and the National Association of State EMS Directors·Reginald L ReginellaStephen M Davis
May 20, 2020·Pediatric Quality & Safety·Laura WestleyRanna A Rozenfeld
Sep 19, 2015·Prehospital Emergency Care : Official Journal of the National Association of EMS Physicians and the National Association of State EMS Directors·David W RossDavid Bar-Or

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