What are the first signs that you are headed for heat exhaustion, and what...

handyman_hank

Extreme heat by historical standards is in the news, and most likely in our future. So this question is how to know when you are headed for being seriously affected by the heat, and what to do about it. To clarify, you want to notice early danger signs, and apply remedies before the person is seriously affected. This is not a question about how to avoid adverse effects from heat, although avoidance is the best policy. That must have been...

Originally asked by ab2 on Stack Exchange (outdoors) (CC BY-SA 4.0).

uphilltech

Great question — answering as the UphillTech team:

Serious heat related illness in wilderness medicine is broken up into two categories, heat exhaustion and heat stroke. This blog post from NOLS has a pretty good overview of the two (including signs & symptoms [S/Sx], and treatment). The information is similar to what would be covered in a WFA/WFR course regarding heat illness. That being said, I would not consider looking over a few online resources to be equivalent to a good hands-on WFA/WFR course. The following is covering some of the main points, but should not be taken as comprehensive! First of all, the hypothetical you propose where water, salts (also an important part of prevention you left out), and rest can't restore the patient...

Full answer by noah: https://outdoors.stackexchange.com/a/27483 (CC BY-SA 4.0).

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