3 HYPOTHERMIA STAGES
Brief Intro of Hypothermia
Hypothermia occurs when core body temperature drops below 35 degrees Celsius. This occurs when the body’s ability to generate heat by burning calories, muscle exertion and shivering is overwhelmed by heat loss. Heat is lost in four ways; radiation to a cold environment, conduction through contact with cold surfaces, convection from wind and water currents and evaporation of moisture.
Mild Hypothermia
- Bouts of shivering
- Grogginess, poor judgment, muddled thinking, and abnormal behaviour
- Normal breathing and pulse
Moderate Hypothermia
- Violent shivering, or shivering has stopped altogether
- Inability to think and pay attention (for example, victim cannot understand what is being said)
- Shallow breathing, slurred speech, or poor body co-ordination(for example, a stumbling gait)
- Slow, weak pulse
Severe Hypothermia
- Shivering stopped
- Unconsciousness
- Little or no breathing
- Weak, irregular, or non-existent pulse
- Dilated (wide open) pupils, so that the victim may appear dead but is still alive
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