Page 139 - Journal of Special Operations Medicine - Winter 2015
P. 139

from the
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              ”The Ground Truth”
                                                                                training (LTT). Each of these has a dif-
              I do not have a crystal ball, but I see                           ferent role in  training, and the best use
              your future; it involves training and                             of them is most likely in a blended
              testing using medical simulation. This    SGM F. Bowling          model  that  plays  to  the  strengths  of
              has already been going on for several        18D, ATP             each one.
              decades, but I expect to see some great
              advances in the quality of simulation       USSOCOM               Novice learners should begin with ru-
              we use and how we use it. I believe   Senior Enlisted Medical Advisor  dimentary simulators in a stress-free,
              there are some general principles to                              task-focused environment. We should
              follow when it comes to simulations.               then gradually introduce the learner to more high-
                                                                 fidelity simulators in scenario-based training in a gradu-
              First, if you are not taking care of a casualty in combat,   ally more stressful environment. Careful analysis should
              it is simulation.                                  be used to select the right simulator or blend of simula-
                                                                 tors to use for a given training iteration.
              Second, the goal of simulation is to emulate combat ca-
              sualty care in realistic environments and tactical situa-  When it comes to simulation, the word “fidelity” is of-
              tions to evoke an emotive training experience in order   ten mentioned. What is fidelity? In the fields of scientific
              to refine coping strategies and maintain proficiency be-  modeling and simulation:
              tween combat engagements.
                                                                 Fidelity refers to the degree to which a model or simula-
              Third, simulation is used for stress inoculation training,   tion reproduces the state and behavior of a real world
              or training within environments that have high cogni-  object, feature or condition. Fidelity is therefore a mea-
              tive and stress load. Training should engage the opera-  sure of the realism of a model or simulation. 1
              tor and allow him/her to develop muscle memory and
              engage coping strategies. When under stress, what do   The degree of fidelity may not need to be very high in
              we fall back to? We execute what is in our “muscle   most circumstances. For example, a simple upper torso
              memory”—thus, the need for repetition. Unless we are   manikin is adequate for teaching CPR. Therefore, for
              able to maintain the ability for critical thinking, we are   simple tasks and novice individuals, fidelity can be low.
              most likely to execute according to muscle memory or   However, for more highly trained individuals practic-
              training.                                          ing difficult or complicated tasks, the fidelity should
                                                                 be higher. This is because a more difficult task requires
              Practicing coping strategies within an emotively stress-  higher fidelity for more realism to add to the stress and
              ful environment better allows us to maintain the abil-  cognitive load. This is to ensure the simulation matches
              ity to reason critically in a stressful environment with a   the cognitive load and stress found in the real world and
              burdensome, high cognitive load. Examples of coping   because a more highly trained individual is expected to
              strategies are self-talk checklists, deep breathing, and   handle a higher cognitive load and a more stressful en-
              following algorithms.                              vironment. How do we measure fidelity? I believe that
                                                                 in the realm of medical simulation, fidelity is best mea-
              There are several different types of simulators and each   sured by end-user feedback.
              has pros and cons. Some of the different types of simula-
              tion are virtual reality, augmented reality, gaming, task   Some qualities of fidelity such as tissue fidelity, hap-
              trainers, role players, manikins, cadavers, and live- tissue   tic feedback, and physiological engine response are



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