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Graph showing the concept of the ‘critical thermal maximum’ for thermal injury in human subjects. The aim of cooling is to decrease the Tc below the critical level (dotted line), considered to be 40.5 °C, in the shortest possible time. An early intervention (yellow) achieves a rapid decrease in Tc, but a later intervention (red) allows Tc to remain elevated for an extended period [71]. Source—J Equine Vet Ed, 2021.
