why does in accidents or disaster, the medical people will give blankets to victims that are silver? What does this silver blanket do?
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Exposure kills rapidly. People in accidents usually tend to have ripped clothes which increase their exposure to cold, and in many cases they will also have contact with fluids, which soak the remaining clothes and increase heat loss. Also in most scenarios the IV fluids will be at a much lower temperature than the core, meaning even more heat loss.
The silver blankets are simply a cheap, small, disposable way of treating or preventing hypothermia on scene. The technology involved can be searched further if wanted, but basically the material involved prevent heat loss with a much lower mass than with traditional blankets.
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