High temperature struck this heatstroke guide

High temperature struck this heatstroke guide

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In the past few days, the north has continued to experience a wide range of high-temperature weather. In some areas, high-temperature orange and red warnings have been issued continuously. Hot summer weather can easily cause heat stroke. How to prevent danger? How to deal with heat stroke urgently? Please look at this summer's summer heatstroke guide to help you, your family, and your colleagues spend their summers in health and safety.

Why heat stroke?

Heat stroke is an acute disease that is mainly caused by central nervous system and circulatory disorders caused by heat production and heat absorption in human body that exceeds heat dissipation under high temperature and high humidity conditions. Heat stroke can make people feel headaches, dizziness, and thirst, and then the body temperature rises rapidly and even becomes unconscious. The main causes of heat stroke are the following:

Excessive outside air temperature

When the outside temperature is too high, it is easy to increase the human body temperature. For example, exposure to the sun, or working in a high-heat workshop, is likely to happen. At this time, the temperature of the body is greatly increased and exceeds the degree to which the human body can tolerate it. It will cause heat stroke. This condition is also called heat stroke.

Humidity in the surrounding environment

One of the main ways to dissipate heat is sweating. If the surrounding air is not dry enough, the sweat from the body cannot be turned into steam and it will not take away the excess heat from the body. Heat stroke caused by this reason often occurs in high-temperature workshops.

Loss of sodium salt

The sodium salt is an indispensable substance in our body. When the body sweats, it will expel the sodium salt. If it is not supplemented in time, it will cause muscle paralysis. This is what we often call the cramp, which is medically known as heat stroke. .

Poor air mobility

In addition to the divergence of heat, it is closely related to the humidity and temperature of the surrounding environment, and the speed of the surrounding air is also closely related to heat stroke. If the air flow is fast, the evaporation of sweat can be accelerated, the skin feels cool, and the body will not accumulate excessive heat. If the heat of the skin is affected, the human body temperature will increase step by step, resulting in heat stroke symptoms.

Which people are prone to heat stroke?

Older people: The sweat glands of the elderly's skin gradually shrink, and the circulatory system function declines, the body's heat is poor, and it is prone to heat stroke.

Maternal: Females are at high risk of heat stroke during pregnancy or postpartum physical exertion and physical weakness.

Infants and young children: Infants and young children's body systems are not yet fully developed, with poor body temperature regulation ability, and many subcutaneous fats, which are detrimental to heat dissipation.

Heart disease patients: The hot weather will aggravate the heart load, especially those with cardiac insufficiency, and body heat cannot be distributed in time.

People who are malnourished: The lack of nutrients can cause blood pressure to drop and reflexively cause vasoconstriction. The patient is susceptible to diarrhea, leading to dehydration and electrolyte disturbances and is a high risk of heat stroke.

Children: The number of children's skin sweat glands is more than normal, but the amount of perspiration is similar to that of adults. Children's sweat composition is different from that of adults. Therefore, children are more prone to heat stroke, and they have to reduce their intensity in a hot environment.

People suffering from infectious diseases: because of bacterial or viral infections can cause the body to produce a source of heat, so that the body heat to accelerate. Inflammation can also cause the body to release some substances, so that the vasospasm contraction, is not conducive to heat, and thus easy to heat stroke.

People with diabetes: The body of a person suffering from diabetes is unresponsive to changes in internal and external environmental temperatures. Although heat has accumulated in the body, patient's subjective symptoms appear late, and it is easy to cause heat stroke.

How to treat symptoms urgently?


Enthusiasm usually occurs after strenuous exercise and heavy sweating, when the body's salt and moisture will be lost with the sweat. In addition, enthusiasm may also be a manifestation of heat failure.

How to identify: enthusiasm for muscle pain or convulsions. It usually occurs in the abdomen, arms, or legs after vigorous activity. Symmetry usually occurs from time to time, sometimes eased. The patient is conscious and his body temperature is generally normal.

How to deal with it: If the situation is not serious enough to require medical attention, stop all activities, sit quietly in a cool place, and drink diluted, refreshing juice or sports drinks. If the patient has a history of heart disease, a low-salt diet, or if the enthusiasm after 1 hour has not been alleviated, professional medical treatment must be sought.

Heat exhaustion

Heat exhaustion is a disease in which a peripheral blood vessel dilates and a large amount of water is deprived in a high-temperature or intense-heat radiation environment, which results in a decrease in circulating blood volume, causing a temporary lack of intracranial blood supply and fainting. People with severe physical activity such as the elderly, people with high blood pressure, and heavy physical exercise or long-distance running in high-temperature environments are more prone to heat failure.

How to identify: The rapid onset of heat failure, its symptoms include dizziness, headache, nausea or vomiting, a lot of sweating, fainting and so on.

People with heat exhaustion may have cold and moist skin. The patient's blood pressure drops, the pulse is fast and weak, and the body temperature is slightly higher or normal. At this point, if the patient has nausea, diarrhea or vomiting, he will lose more body fluids and cause the situation to continue to deteriorate, and even cause heat shot disease.

How to deal with: Drink cool and non-alcoholic beverages, immediately rest, if possible, take a cold shower or wipe the body, and turn on the air conditioner and put on loose clothing.

Heat Stroke

Heat shots occur when the body cannot regulate its own body temperature. Hyperthermia causes body temperature to regulate central dysfunction and rapidly increase body temperature. In 10 minutes to 15 minutes, body temperature can reach 40 degrees Celsius or more. If you do not receive emergency care, heat shots can lead to death or disability.

How to identify: The performance of heat stroke is diversified, mainly including dizziness, nausea, high body temperature, blurred consciousness and slurred speech.

How to deal with it: If the patient has any of the above symptoms, he or she should promptly notify the emergency center and wait for the rescue to take the patient to rest in a cool, well-ventilated place. If conditions permit, the patient can be scrubbed with ice water or alcohol to help cool down. When the patient's muscles involuntarily twitch, prevent the patient from hurting himself. Do not put anything in the patient's mouth. If the patient develops vomiting, flip the body to lie on his side and ensure that the patient is breathing.

How to prevent heatstroke in different people?

Pregnant women, children

Pregnant women and children are high-risk people with summer heat stroke and need to pay attention to ventilation and enhance their physical fitness.

Experts suggest that the room for pregnant women and children should pay attention to ventilation, summer clothes should not be too much, mainly to comfort, bedding should not be too thick. Fans, air conditioners, etc. can be used to adjust the room temperature to avoid convection. Drink plenty of water and eat fresh fruits. If you have symptoms of fever, you should seek medical advice as soon as possible. Do not squat without permission. Usually strengthen exercise and enhance physical fitness to reduce the possibility of heat stroke.

High temperature operators

Most high-temperature operators are young and young. Most of these people are construction workers and sanitation workers.

High-temperature operation is not suitable for all people. People who need good health and physical strength can afford it. Therefore, before choosing a high-temperature outdoor operation, we must first assess whether we “eat it”.

People with high blood pressure, diabetes, tuberculosis, central nervous system diseases, and older people with poor constitution are not suitable for high-temperature operations. High-temperature operators should take precautionary measures in the following ways:

★ To add moisture.

★ ready to go out or drink enough water, salt to 0. 15 % to 0 . 2 % of the beverage is suitable, a small amount of drinking.

★ Wear a hat and wear overalls that are light in color and not prone to sunburn. The openings should be open and breathable.

★ From 12 o'clock to 3 o'clock, try to go out as little as possible.

★ Take heatstroke medication with you.

★ pay attention to diet, add enough nutrition.

★ Some temporary awnings can be used on the construction site, and electric fans can be turned on for rest.


The body's thermoregulatory function is low in the elderly, and it is easier to suffer from heatstroke in summer. Pay attention to it on weekdays:

enough rest. The elderly must develop regular sleeping habits in the summer, and it is important to get up early and get up early. Only in this way can sufficient sleep be guaranteed.

Timely replenishment. The elderly should drink every day to ensure 1. 5-2 liters of water, saline may be appropriate to add some time sweating. Summer seasonal vegetables and fruits can also be used to supplement water.

Moderate exercise. In the summer, the elderly can't do less exercise, and the best time to exercise is after 6 o'clock in the morning and in the evening. These two periods can be used in parks, lakes, etc. to perform some slow movements such as walking and jogging.

The information in this article comes from the Internet and was reorganized and edited by China Rescue Equipment Network.

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