Range of progressively more severe illnesses due to increasingly overwhelming heat stress
Begins with dehydration and electrolyte abnormalities and progresses to thermoregulatory dysf...
Classic triad: Hyperthermia, CNS dysfunction, hot skin (often with anhidrosis)
Core temp: >105°F (40.5°C)
Lethargy or coma
Initiate cooling measures for severe heat illness
Remove from heat stress
Cover body with wet sheet
Continuous core temperature monit...
Heat stroke – admit to the ICU
Heat exhaustion – admit to general or monitored floor if:
Severe electrolyte abnormalities
Renal failure or evidence of rhabdomyolysi...
Cannot make diagnosis of heat stroke without temp >40.5°C and severe CNS dysfunction.
Management of heat stroke requires management of ABCs and rapid cooling.
Continuous core moni...
Hausfater P, Doumenc B, Chopin S, et al. Elevation of cardiac troponin I during non-exertional heat-related illness in the context of a heatwave. Crit Care. 2010;14(3):R99.
992.0 Heat stroke and sunstroke
992.2 Heat cramps
992.5 Heat exhaustion, unspecified
992.1 Heat syncope
992.3 Heat exhaustion, anhydrotic
992.6 Heat fatigue, transient
992.7 Heat edema
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