- Moderate hypothermia.
- Profound hypothermia.
- Regional hypothermia.
- Total body hypothermia.
- Wind - will drag out the heat.
- Cold - remember temperature drops with increased altitude.
- Fatigue - lack of fitness, too hard a trip, or too heavy a load.
- Injury and/or anxiety.
- Recent Illness - especially `flu'.
- Falling overboard from a boat into cold water.
- Wearing wet clothing in windy or cold weather.
- Heavy exertion, not drinking enough fluids, or not eating enough in cold weather.
- Pupils dilated.
- Weakness and loss of coordination.
- Pale and cold skin.
- Uncontrollable shivering.
- Slowed breathing or heart rate.
- Remove or replace wet clothing if dry clothes or blankets are available.
- Have the victim rest in a warm, dry place. Do not put the victim in a hot tub or similar environment - suddenly warming up a victim can produce a heart attack.
- Insulate the victim from further heat loss by wrapping them in a blanket.
- Do not offer the victim food or drink.
- Treat the victim for shock and transport to the nearest medical facilities as quickly as possible.
- Hat and mittens (gloves) are equally important because of the high heat loss from head, neck and extremities.
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