Environmental | Quick Study Reference

Medical condition caused or exacerbated by weather, terrain, atmospheric pressure or other local factors. Risk factors that make it more likely:

Old or young age
General health
Existing medical conditions (diabetes etc.)

Systemic: hypothermia, heat exhaustion and heat stroke Localized: frostbite, sunburn
Core body temperature (CBT): normal is 37 C or 98.6 F. Most accurate rectally or fresh urine.
Radiation: transmission of heat through space
Conduction: direct transmission of heat by sitting on cold surface
Convection: transfer of heat by circulation of heated particles (wind chill)
Evaporation: loss of heat by vaporization of liquid – only effective means of heat dissipation in high temps.


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