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Efficacy of Medical Device Alarm Integration into a Simulated H-60 Integrated Communication System


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The objective of this study was to evaluate the efficacy of incorporating audible medical device alarms into a simulated aircraft Intercommunication Set (ICS). The effect of integrating these alarms on care provided and time delegation was examined. Subjective data was also collected from the Subjects regarding the benefits, drawbacks, and improvements they recognized during participation. Subjects performed patient care tasks for two 30-minute scenarios. Each scenario had two priority-level patients, which were preprogrammed to have four decompensation events each. During one configuration the audio alarms were integrated into the Subject's ICS, and the other was non-integrated (the current standard). Testing took place in an HH-60 simulator with a Baseline Medical Interior (BMI) litter system. The Subjects were given all supplies in the current Medical Equipment Set (MES) and given time to configure the interior of the simulated aircraft as they normally would. The patients were simulated with SimMan3G manikins, which displayed vitals on Zoll Propaq MD patient monitors via a Dynasthetics VitalsBridge 300. Subjects wore an HGU-56P helmet with Communication Ear Plugs (CEPs). Medical device alarms were integrated into the subject's CEPs via a custom-built ICS system equivalent, and all audio levels were measured prior to testing.



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