First, threatened heatstroke, manifested as a lot of sweating, dizziness, chest tightness, nausea, limb weakness and other symptoms. Body temperature is normal or slightly elevated. If you can get rid of the high heat environment in time, the symptoms will disappear after a short rest. Second, mild heatstroke, with symptoms of threatened heatstroke, accompanied by vomiting, cold skin and decreased blood pressure. People with mild heatstroke can generally return to normal within 4-5 hours after treatment. The third type is severe heatstroke, mostly in a sudden coma in a high temperature environment.
Second, prevent heatstroke.
During the high temperature period, the elderly, the weak, the sick and the disabled, and women and children should avoid being exposed to the sun for a long time when working or exercising outdoors, and take sun protection measures at the same time:
1, drink water: pay attention to hydration, and don't wait for thirst before drinking water.
2, food: to supplement enough protein, such as fish, meat, eggs, milk, beans; You should eat more fresh fruits and vegetables that can prevent heatstroke, such as tomatoes, watermelons and bitter melons. Eating a lot of cold drinks is easy to get heatstroke, because the sudden drop of local temperature will affect the normal operation of various system functions.
3. Go out: Wear a sun hat, sunglasses, sunscreen and bring more water when going out. Prepare heatstroke prevention and cooling drugs, such as ten drops of water, Ren Dan, Huoxiang Zhengqi water, etc. Try to choose cotton and linen fabrics when going out, and wear less chemical fiber clothes. Traveling by car, don't leave your children and pets in the car when you leave the parking lot.
4, sleep: adequate sleep helps to prevent heatstroke. Don't lie under the air-conditioning outlet and electric fan when sleeping, so as to avoid air-conditioning diseases and colds.
5. Precautions: Outdoor sports should be reduced at high temperature; Timely observe the signs of heatstroke in infants, elderly people over 65 years old, patients with mental illness and patients with chronic diseases such as heart disease and hypertension.
Third, outdoor workers' high temperature protection.
1. Before entering summer, workers exposed to high temperature should undergo health examination. Those who suffer from heart, lung and vascular diseases, persistent hypertension, gastric and duodenal ulcers, active tuberculosis, liver diseases, kidney diseases, obesity, anemia, acute infectious diseases and physical weakness after organic diseases of the central nervous system are not suitable for high-temperature operations.
2. High-temperature workplaces and outdoor operations in summer, avoid high-temperature operations at noon, strengthen rotation operations, reduce labor intensity, build awnings to provide shade for workers, and supply heatstroke prevention and cooling drinks such as herbal tea and mung bean soup, with salt concentration of 0. 1%-0.3%; After sweating a lot in labor and exercise, it is not advisable to drink a lot of boiled water, drink too much and take a long nap. When you come back from work, it is not easy to blow an electric fan and take a cold bath immediately; It is not suitable to wear metal jewelry, causing contact dermatitis; Use a wide-brimmed straw hat and a wide white dress; For workers exposed to high radiation intensity and high temperature, white work clothes with fire resistance and low thermal conductivity should be provided.
Fourth, the treatment measures after heatstroke?
If you have symptoms of heatstroke, you should immediately stop what you are doing and find a cool place to sit down and rest; At the same time, replenish water and drink slowly. Unbutton a collar button, tie, etc. Keep your body ventilated and apply or take summer medicine; If the symptoms do not decrease but increase after a period of rest, you should seek medical advice in time.
If someone around has symptoms of heatstroke, immediately move the patient to the shade and keep the surrounding ventilation; Unbutton to dissipate heat; Take summer medicine.
5. A healthy diet to prevent heatstroke
1, five foods are resistant to high temperature: first, cantaloupe; Second, berries such as grapes, bananas, tomatoes and oranges; The third is spinach; The fourth is red pepper, garlic and ginger; The fifth is sports drinks.
2, heatstroke prevention and health care diet: First, drink more soup. Such as hawthorn soup, mung bean sour plum soup, honeysuckle soup and watermelon Cui Yi soup. The second is to drink more tea; The third is to eat more porridge. Such as mung bean porridge, honeysuckle porridge, mint porridge, lotus seed porridge, lotus leaf porridge, lotus root porridge and so on. The fourth is to eat more vegetables. Such as all kinds of beans, melons, Chinese cabbage, parsley and so on. You can eat it cold and raw, or you can fry it with a little shredded lean meat. The fifth is to eat more fruits and vegetables. Watermelon, cantaloupe, cucumber and kiwifruit can clear away heat and relieve summer heat and quench thirst.