High Performance EMS

MARCH 18, 2021

EMS agencies typically target a UHU of between 0.30 While some agencies incorporate all drive-times (including non-emergency post moves) into the busy ratio of UHU, it is a unique measurable contribution that deserves a separate indication. with a focus toward lowering the effective ratio to decrease crew fatigue.

UHU 130

UHU EMS Ambulance Unit Hour 130

High Performance EMS

JUNE 12, 2023

Assigning an appropriate unit for this call can actually reduce the effective activity, or UHU, of other resources. If the assignment is given initially to the unit filling the least critical post, there is no immediate coverage loss and no additional post moves required.

BLS 130

BLS UHU Paramedic ALS 130

High Performance EMS

DECEMBER 27, 2023

Part of his justification is the average busy time of a unit being about an hour and to simplify the calculation of a Unit Hour Utilization (UHU). Again, Jack Stout recommended modeling each hour of each day for a total of 168 unique timeframes of the week.

UHU 130

UHU BLS Emergency Medical Services Unit Hour 130