ED Simulation Modeling: An Example Emergency Department

Background and Emergency Room Process Issues

Midwest Hospital– approximately 60,000 ED visits per year with flat growth
31 Bed, Trauma 1 center with 11 bed "fast track" area open 9a to 10p
Discharged LOS average 3 hours 40 minutes; Admitted LOS average 9 hours and 16 minutes
10%-12% left without being seen
Extensive hallway bed use
High staff turnover
High LOS and LWBS contributing to negative community perception
Admit holds in ED exceeding 10 hours
Psychiatric and Trauma patients in ED causing significant challenges

Length of Stay	Current State Outputs	Simulated Outputs	Impact
Overall	4 hours 13 minutes	2 hours 59 minutes	Down 1 hour 15 minutes
Admitted	9 hours 19 minutes	4 hours 21 minutes	Down 5 hours
LWBS	10.2%	2.1%	With just 10 more patients per day– minimum $750K net increase in revenue

Patient Processing	Current State Outputs	Simulated Outputs	Impact
Waiting Room time (walk in patients only)	44 minutes	18 minutes	Down 26 minutes
Arrival to Doctor	55 minutes	30 minutes	Down 25 minutes
Decision to Disposition	7 hours 10 minutes	2 hours 4 minutes	Down 5 hours 6 minutes

Contact our ED Consultants to improve your emergency room process.