The effect of cold on the entire surface of the body, when its temperature drops below 35 °, causes general cooling of the body. The prolonged action of low temperatures can lead to freezing, while the functions of the body are inhibited, up to their complete extinction. However, one should not think that during freezing the body temperature reaches zero. A person dies when his body temperature drops to 17 – 25 °.
The body becomes less resistant to cooling during starvation, significant fatigue, intoxication, getting into cold water, as well as after injuries, blood loss, It is noticed that hypothermia occurs faster in old people and children. High humidity, strong wind, especially if a person is dressed in light, tight or wet clothes, contribute to cold injury.
The onset of general cooling has characteristic signs – agitation, chills, blueness of the lips, pallor and cooling of the skin, “goose bumps”, shortness of breath, increased heart rate. Continue reading