Average time in system
103.7min
We are 95% confident the true mean sits between 67.7 and 139.6 minutes.
Public replay
Three recorded operations.
Walk the canvas, open a block card, and read a run that was computed ahead of time. This page does not start a simulation or call a model. An email link is only for running your own what-if.
A mid-size Canadian emergency department over an 8-hour day, after a 60-minute warm-up that is left out of the statistics. About 60 walk-in patients an hour (exponential mean 8 minutes, lower acuity) and about 2.4 ambulance patients an hour (mean 25 minutes, acuity 1). The waiting room is priority by acuity, closer to CTAS than to first-come. One nurse triages in about 2 to 5 minutes. Acuity 2 or lower goes to a single trauma bay and seizes a doctor; everyone else seizes one of two exam rooms and a doctor. Three doctors are on duty the whole window. About 20% of treated patients are admitted. These rates are planning assumptions for a pilot, not a census of a named hospital.
Select a block to read its card. Nothing here calls the simulator.
Run analysisLatest stored run · 12 replications
Read the outcome first, then look for delays and busy resources. These estimates describe the assumptions in this model. Compare a separate scenario before deciding on a change.
About 103.7 min in the system.
Warm-up discarded (60 minutes) · 12 replications · We are 95% confident the mean stay is between 67.7 and 139.6 minutes.
480 minutes run length.
Patients completed
37
37 completed. 95% CI 31–44.
Longest queue wait · Resus queue
83.3min
Estimated average wait between 38.7 and 127.9 minutes.
Where the time goes
Means, on a 103.7 min scale.
Waiting room1.9 · 1.4–2.4
Resus queue83.3 · 38.7–127.9
Main queue81 · 50.3–111.7
Whole stay103.7 · 67.7–139.6
Resource pressure
Doctors is at 97% (95% CI 94%–100%). Trauma bay is at 84% (95% CI 73%–95%). Triage is at 54% (95% CI 49%–59%). Exam rooms is at 54% (95% CI 42%–66%).
Doctors is the fullest resource in this run.
Resource utilization
Average share of available capacity in use (%)
Waiting over time
No playback trace stored for this run
Play the trace on the canvas to watch the queue move.
Wait distribution
No trace waits available
A finished trace with queue waits fills this chart.
How to read these results
Replications repeat the scenario with different random draws. A 95% confidence interval describes uncertainty in the estimated average, rather than the range for individual items. The charts from replication 0 illustrate one run; aggregate metrics combine the repeated runs and exclude warm-up.
Every step, in detail
Compare waits, completed work, and capacity across the flow.
| Block | Throughput | Avg wait | 95th wait | Queue | Utilization |
|---|---|---|---|---|---|
| Walk-insource | 51.8 (95% CI 47.2–56.4) | — | — | 0.0 (95% CI 0.0–0.0) | — |
| Ambulancesource | 17.1 (95% CI 13.3–20.9) | — | — | 0.0 (95% CI 0.0–0.0) | — |
| Waiting roomqueue | 0.0 (95% CI 0.0–0.0) | 1.9 (95% CI 1.4–2.4) | 8.2 (95% CI 5.5–10.9) | 0.3 (95% CI 0.2–0.4) | — |
| Triageserver | 67.4 (95% CI 61.6–73.3) | — | — | 0.0 (95% CI 0.0–0.0) | 54% (95% CI 49%–59%) |
| Acuitybranch | 67.4 (95% CI 61.6–73.3) | — | — | 0.0 (95% CI 0.0–0.0) | — |
| Resus queuequeue | 0.0 (95% CI 0.0–0.0) | 83.3 (95% CI 38.7–127.9) | 140.7 (95% CI 88.3–193.1) | 2.6 (95% CI 0.3–4.8) | — |
| Resuscitationserver | 12.8 (95% CI 10.7–14.9) | — | — | 0.0 (95% CI 0.0–0.0) | 28% (95% CI 24%–32%) |
| Main queuequeue | 0.0 (95% CI 0.0–0.0) | 81.0 (95% CI 50.3–111.7) | 164.4 (95% CI 126.4–202.4) | 9.0 (95% CI 5.7–12.3) | — |
| Treatmentserver | 29.9 (95% CI 24.1–35.7) | — | — | 0.0 (95% CI 0.0–0.0) | 36% (95% CI 28%–44%) |
| Dispositionbranch | 29.9 (95% CI 24.1–35.7) | — | — | 0.0 (95% CI 0.0–0.0) | — |
| Resus exitsink | 12.8 (95% CI 10.7–14.9) | — | — | 0.0 (95% CI 0.0–0.0) | — |
| Dischargedsink | 23.8 (95% CI 18.5–29.0) | — | — | 0.0 (95% CI 0.0–0.0) | — |
| Admittedsink | 6.2 (95% CI 4.8–7.5) | — | — | 0.0 (95% CI 0.0–0.0) | — |
| Doctorsresource | 0.0 (95% CI 0.0–0.0) | — | — | 2.1 (95% CI 1.6–2.6) | 97% (95% CI 94%–100%) |
| Trauma bayresource | 0.0 (95% CI 0.0–0.0) | — | — | 0.9 (95% CI 0.6–1.1) | 84% (95% CI 73%–95%) |
| Exam roomsresource | 0.0 (95% CI 0.0–0.0) | — | — | 0.1 (95% CI 0.0–0.2) | 54% (95% CI 42%–66%) |
Live trial coming soon
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