Heat exhaustion

Definition

Acute heat-related injury due to volume depletion; Temp can be low, high or normal (>37 but <40)

Underlying factors (poor fluid intake, hot environment, inappropriate clothing)

Underlying illness (endocrine disorders, cardiac disease, burns)

Poorly adaptive thermoregulatory mechanisms

Medication use (anticholinergics, B-blockers, alcohol, diuretics)

Thirst, cephalgia, dizziness, weakness, n/v, myalgia, anxiety

Volume replacement

Balanced salt solutions

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