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Severe hypothermia begins when the core body temperature is 82 degrees or lower, according to Huang. Symptoms include bluish skin, dilated pupils, slowed pulse and breathing, low blood pressure ...
Signs and symptoms vary depending on the degree of hypothermia, and may be divided by the three stages of severity. People with hypothermia may appear pale and feel cold to touch. Infants with hypothermia may feel cold when touched, with bright red skin and an unusual lack of energy.
Hypothermia should be treated first, if present, by bringing core body temperature above 35 degrees Celsius. [6] [10] Raynaud's phenomenon: An abnormal spasming of blood vessels often in the tips of fingers and toes - usually in response to strong emotions or cold exposure. [8] The digits will turn a white or blue color. [8]
Frostbite is diagnosed based on signs and symptoms as described above, and by patient history. Other conditions that can have a similar appearance or occur at the same time include: Frostnip is similar to frostbite, but without ice crystal formation in the skin. Whitening of the skin and numbness reverse quickly after rewarming.
Signs of shock include cold, sweaty skin, as well as rapid breathing and a weak, rapid pulse. Call 911 if you notice signs of shock, as it needs immediate medical attention. 12.
Most people are surprised to learn that hypothermia deaths can occur with temperatures between 30 and 50 degrees, the weather service said. ... And just in case, know the signs of hypothermia. How ...
In the 19th century, most books quoted "blood heat" as 98 °F, until a study published the mean (but not the variance) of a large sample as 36.88 °C (98.38 °F). [40] Subsequently, that mean was widely quoted as "37 °C or 98.4 °F" [ 41 ] [ 42 ] until editors realized 37 °C is equal to 98.6 °F, not 98.4 °F.
How to spot the signs of hypothermia fast – and what to do about it.