In the recent past, the south of China was hit by snow, ice and freezing disasters. Frostbite is the most easily damaged by the people in the disaster area. Experts from the Chinese Center for Disease Control and Prevention pointed out that as long as the people in the disaster area take appropriate preventive measures, frostbite can be avoided or reduced.
Experts pointed out that local frostbite has no obvious feeling at the initial stage. Therefore, the frostbite should be closely observed. If there are more than two people, you can observe each other's face for white spots. When people are outdoors, the neck and the face are best covered with cloth, and the cuffs and trousers are tied tightly to prevent the wind and snow from blowing in. When you are tired and hungry, avoid sitting on the snow. In order to prevent frostbite, it is necessary to move facial muscles in time, such as frowning, squeezing, and squeezing, and rubbing the face, ears, and nose with hands. Experts reminded that special attention should be paid to the drying of footwear and socks, which should be replaced or dried in a timely manner because it is most prone to frostbite in wet conditions.
According to experts, the basic symptoms of frostbite are stinging first, followed by pale spots on the skin, accompanied by numbness, difficulty in movement, or dullness. Then there was a pebble-like lump, accompanied by pain, swelling, and redness. If it is the initial stage of frostbite, it should be promptly prevented from further worsening after the discovery, let the patient enter the warm room, take off wet clothes and footwear, and drink some mild drinks. Adults can drink a small amount of alcohol. Place the frostbite in a warm place, such as holding your hand under your arm, or placing your foot in your partner's arms and slowly warming the affected area; or immerse the affected area in warm water of 27 to 42 degrees Celsius for 4 to 5 seconds. Take it out and repeat it until the frozen part returns to normal body temperature. If the site of frostbite is ears, nose or face, cover it with a warm Towel.
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