• Sarayna S McGuire, Bou F Gazley, Aidan F Mullan, and Casey M Clements.
• Department of Emergency Medicine, Mayo Clinic, Rochester, MN, USA. Electronic address: McGuire.Sarayna@mayo.edu.
• Am J Emerg Med. 2024 Dec 12; 89: 576057-60.

ObjectiveActs of violence occurring in the healthcare setting that involve weapons result in significant morbidity and mortality. New passive weapons screening technology (PWST) offers a potential protective measure. Our objective was to quantify the volume of weapons detected and deterred from our emergency department (ED) over a 12-month period and determine whether it led to weapon-carrier hostility towards frontline staff.MethodsMixed-methods study involving a descriptive analysis of weapons detection data and a survey study of security staff regarding weapon-carrier hostility at point of deterrence within the ED of a large, academic, Level 1 trauma center in a Midwest city with an average annual volume of 80,000 patients. The study was deemed exempt by the IRB.ResultsBetween 11/1/22 and 10/31/23, 1741 weapons were detected, including knives (n = 1390; 79.8 %), firearms (n = 69; 4.0 %), and other/improvised weapons (n = 282; 16.2 %). Prior to implementation of PWST, average monthly weapons detection was ≤1. Security staff responded to the survey question in 534/1741 (30.7 %) interactions where a weapon was detected. The majority indicated the weapon-carrier was not upset with prevention of weapon(s) from entering (n = 470; 88.0 %).ConclusionWe found a concerning rate of attempts to bring weapons into our ED. This does not include weapons which may be entering the ED undetected via patients transported by emergency medical services (EMS) or on persons entering through other hospital entrances. Security perception was that most weapon-carriers were not upset with this intervention.Copyright © 2024 Elsevier Inc. All rights reserved.

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