Skip to main content
Fig. 2 | BMC Emergency Medicine

Fig. 2

From: A generic method for evaluating crowding in the emergency department

Fig. 2

Time series plot offering insight on the queue dynamics. Arrivals (green line), departures (blue line) and the resulting queue (black line) summarised every 30 min (dots mark the beginning of an interval) for consecutive days. The red area marks 100 % bed occupancy or more. The maximum queue length registered was 42 on the 18th of November. No trauma patients arrived this day and the first patient triaged red were registered around 8.30 p.m. It does not seem to be a decrease in departures (i.e. due to prolongation of handling of patients in the queue) rather an increase in arrivals (i.e. external processes) that drives the queue length in this case

Back to article page