• Devon McLean, Leanne Hewitson, Paul Atkinson, David Lewis, Jacqueline Fraser, Glenn Verheul, Jayanand Mekwan, and Bryn Robinson.
• *Dalhousie Medicine New Brunswick,Saint John, NB.
• Can J Emerg Med. 2019 Jan 1; 21 (1): 125-128.

ObjectiveThis study sought to assess the effectiveness of ultrasound simulation as a component of high-fidelity trauma simulation, in training diagnostic capabilities of resident and attending physicians participating in simulated trauma scenarios.MethodsTwelve residents and 20 attending physicians participated in 114 trauma simulations. Participants generated a ranked differential diagnosis list after a physical exam and subsequently after a simulated extended focused assessment with sonography for trauma (E-FAST) ultrasound scan. We compared reports to determine whether the addition of ultrasound improved diagnostic performance.ResultsThe primary diagnosis accuracy improved significantly with the addition of simulated ultrasound (p<0.0001). Median diagnostic ranking scores also improved (p<0.0001). Further, participants reported a higher confidence in their diagnoses (p<0.0001) and narrowed their differential diagnosis list (p<0.0001).ConclusionWe demonstrated that a low-cost ultrasound simulator can be successfully integrated into trauma simulations, resulting in an associated improvement in measures of diagnostic accuracy, confidence, and precision for participating resident and attending physicians.

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