Signs
 

Reduced Temperature

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Reduced Body Temperature

  • Hypothermia is a reduction in human body temperature. This tends to occur due to heat loss from exposure to cold, vasodilation or burns; hypothermia can also occur in the context of reduced heat production, or due to central temperature dysregulation.
    • Classification

    • Mild hypothermia - 34 - 35.9°C
    • Moderate hypothermia - 32 - 33.9°C
    • Severe hypothermia - 30.3 - 31.9°C
    • Profound hypothermia - <30°C
    • Causes of Hypothermia

    • Heat Loss

    • Exposure to cold - low ambient temperature, inadequate clothing, water immersion
    • Vasodilation - alcohol ingestion, sepsis, vasodilators
    • Skin loss - burns, dermatitis
    • Treatment for hyperthermia
    • Reduced Heat Production

    • Decreased metabolic rate - hypothyroidism
    • Decreased muscular activity - sedatives, opioids, muscle relaxants
    • CNS Temperature Dysregulation

    • Hypoadrenalism, hypopituitarism, head trauma, stroke
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