Heat Exhaustion


(aka Heat Prostration, Heat Collapse)

Epidemiology


Pathogenesis


Clinical

Multisystem disease:
-Neuro: weakness/ anxiety/ fatigue/ thirst/ vertigo/ headache/ faintness/ hyperventilation/ muscular incoordina-tion/ agitation/ impaired judgement/ confusion
-GI: N/V/ anorexia/ urge to defecate
-Heat syncope (heat collapse):
occurs in both active and sedentary patients/ usually sudden onset with brief duration/ ashen-gray color during event with cool, clammy skin/ mydriasis/ tachycardia/ orthostatic hypotension
-Other: hyperthermia (present usually only in water depletion type)


Treatment


References