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ADGE_S 1253 points1254 points1255 points 7 months agosorry, this has been archived and can no longer be voted onWhen I finally grabbed her in the darkness, I swam back to the surface. It never occurred to me how fast the ice could freeze over.

I mean, I know that hypothermia drastically reduces the blood flow to the skin and limbs, and then if you pour hot water, the heat won't dissipate as fast as usual and it can actually burn the skin. But apart from that I don't know of anything that would qualify as the famous thermal shock.

[–]nkeithb 32 points33 points34 points 7 months agosorry, this has been archived and can no longer be voted onEMT here. The danger with active warming (hot water bath) over passive warming (blankets), is the blood left in your limbs is very cold. Your body uses all the warm blood for the trunk of the body. If you put someone into hot water you run this risk of opening up the circulation in the extremities, sending cold blood into the heart. This will result in cardiac arrest and then death.