Batch 02 · ICU turnover
Night-shift transfer bottlenecks
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System failure identification
Transfers requiring a senior decision stall overnight and clear in a batch after morning handover. Patients wait in the wrong unit for hours for a decision, not for a bed. The delay is an authority gap, not a capacity one.
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Data pipeline diagnostics
Transfer time is measured from acceptance to arrival, excluding the preceding decision wait. The longest part of the interval sits outside the measured window entirely. Choosing the measurement window has already decided what the answer can be.
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Predictive computational model
Measure from request to acceptance, segmented by hour of day. The overnight gap appears immediately once the measurement window starts where the delay starts. Segmenting by hour turns an average into evidence about a specific shift.
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Workflow integration
Use the hourly profile to justify overnight decision cover or a delegated authority protocol. The fix is an authority change, so the evidence has to reach whoever sets that policy. Nobody on the night shift can fix a problem defined by who is absent.