What are the signs and symptoms of heat exhaustion in hyperthermia?

Updated: Oct 14, 2020
  • Author: Erik D Schraga, MD; Chief Editor: Sage W Wiener, MD  more...
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Answer

Answer

Symptoms of heat exhaustion include the following:

  • Normal to slightly elevated core temperature

  • Fatigue or malaise

  • Orthostatic hypotension, tachycardia

  • Clinical signs of dehydration

  • Nausea, vomiting, diarrhea (due to splanchnic and renal vasoconstriction)

  • Intact mental status

  • Responsive to cool environment, fluid and electrolyte replacement


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