Emergency Training Simulation Design

Simulation - Using Simulation to Reduce Length of Stay in Emergency Departments 2

•10 steps in the process (cont)

•Verify the model

•Validate the model

•Set up alternatives for evaluation

•Run multiple replications on each alterative and evaluate results

•Choose best alternative or combination of alternatives

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	Verifying the model is a process of comparing the actual patient flow with the on-screen patient flow. The various documents (flow charts, arrival rates, etc) should be combined with records of the various team meetings to form an “assumption document”.

	Validation involves testing the model to ensure that the actual system length of stay times are mirrored by the simulation model. This particular case model was particularly difficult to validate. Any patient type with significant admission rate would not validate.

	Final three stages are related to setting up alternatives, run each alternative, evaluate each alternative and choose the one(s) that best suit the initial goal.
	Successful simulation studies are dependent on the cooperation of each department that is affected by the study and that affects the objective of the study.