Severe end of heat-related illness spectrum characterized by severe hyperthermia and neurologic dysfunction
True emergency - universally fatal if left untreated
Mortality approaches 30% even with treatment, and is directly associated with the duration of elevated core temperature
Hallmark is multisystem organ dysfunction from heat-induced damage resulting in systemic inflammatory response
Mortality approaches 30% even with treatment, and is directly associated with the duration of elevated core temperature
Classic (nonexertional) - insidious development over days
Seen in children and elderly
During the time of heat wave
Exertional - rapid onset during exercise or other exertion
Seen in otherwise young, healthy individuals
Seen in children and elderly
During the time of heat wave
Seen in otherwise young, healthy individuals
Heat stroke
Heat cramps
Electrical storm
Heat edema
Spinal shock
Heat exhaustion
Neurogenic shock
Heat tetany