Quick Answer
Mild hypothermia can be treated in the field by removing wet clothing, providing insulation, and using a space blanket. The goal is to rewarm the body without causing further damage. This can be achieved through passive rewarming and gentle exercise.
Removing Wet Clothing
Remove all wet clothing, including shoes and socks, to prevent heat loss. Dry clothing should be provided if possible, but a space blanket can be used as a substitute to prevent further heat loss. The goal is to get the person dry as soon as possible.
Passive Rewarming
Passive rewarming involves using the body’s natural processes to rewarm itself. This can be achieved through gentle exercise, such as walking or jogging in place, to increase blood flow to the extremities. The person should also be given warm beverages, such as hot chocolate or tea, to help rewarm the body from the inside out. Aim for a rewarming rate of 1-2°C (1.8-3.6°F) per hour.
Using a Space Blanket
A space blanket can be used to provide insulation and help prevent further heat loss. The blanket should be wrapped around the person’s body, with the shiny side facing inward to reflect body heat. The blanket should not be used to try to rewarm the person too quickly, as this can cause further damage. Instead, it should be used as a means of passive rewarming to help the person’s body recover.
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