Four misconceptions about drowning, 4 things to know about drowning, and six no

These drowning myths must be kept in mind.

The four know is:

1. Know that the child is gone.

2. Know what the child is doing, 3. Know who the child is going to.

4. Know when the child will come back.

Six Don'ts to Prevent Drowning:

1. It is not allowed to swim in the water without permission.

2. It is not allowed to swim with others without authorization.

3. It is not allowed to swim without a parent or teacher leading the team.

4. It is not allowed to swim in unfamiliar waters.

5. It is not allowed to swim in waters without safety facilities and rescue personnel.

6. Students who do not know how to swim are not allowed to go into the water without authorization.

"Six prohibitions": It is not allowed to swim in the water without permission, it is not allowed to swim with others without authorization, it is not allowed to swim without the guidance of parents or teachers, it is not allowed to swim in waters without safety facilities and rescue personnel, it is not allowed to swim in unfamiliar waters, and students who are not familiar with water are not allowed to go into the water to rescue without authorization. "Four knows" (i.e. :

Know where your child is going, with whom, what to do, and when to come back).

Drowning is caused by a person submerging in water, suffocation due to water being inhaled into the lungs (90% drowning) or throat spasm (10% drowning).

1. If it is drowning in fresh water, hypotonic water can penetrate into the blood vessels from the alveoli to cause blood dilution, increase blood volume and hemolysis, increase blood potassium, reduce sodium, nitride and plasma protein, and cause cardiac arrest.

2. If it is seawater drowning, hypertonic seawater can suck out water through the alveoli, causing hemoconcentration and blood volume reduction, and electrolytes diffuse into the pulmonary capillaries, resulting in increased blood potassium and sodium, and pulmonary edema.

Drowning refers to a critical condition in which a large amount of water is inhaled into the lungs, causing hypoxic asphyxia in the human body. It mostly occurs in summer, swimming places, seashores, rivers, lakes, ponds, etc.

The drowning victim's face is blue and swollen, the conjunctiva of the eyeball is congested, and the mouth and nose are full of foam, sediment and other debris. Some drowning patients may have a distended upper abdomen due to drinking a lot of water into the stomach. Drowning can cause the drowning person to have cold limbs, loss of consciousness, and in severe cases, death due to cardiac and respiratory arrest.

1. Don't go out swimming alone, and don't go to a place where you don't know the bottom and don't know the water conditions or are more dangerous and suitable for drowning accidents. When choosing a good swimming place, you should have a clear understanding of the environment of the place, such as whether the reservoir and bathing place are hygienic, whether the water is flat, whether there are reefs, undercurrents, weeds, and the depth of the water.

2. It is necessary to be organized and led by a teacher or someone familiar with the nature of the water to swim. so as to take care of each other. If the group goes out for swimming, the number of people must be counted before and after entering the water, and lifeguards should be designated for safety protection.

3. Be clear about your physical health, people who are prone to cramps in their limbs should not participate in swimming or swim in deep water. If the water temperature is too low, you should first wash your body with water in shallow water, and then swim in the water after getting used to the water temperature; Students with dentures should have their dentures removed to prevent them from falling into the esophagus or trachea when choking.

4. Be self-aware of your own water nature, don't be reckless after entering the water, don't jump and dive rashly, and don't play with each other, so as not to drink water and drown. Don't swim in rapids and whirlpools, and don't swim under the influence of alcohol.

5. If you suddenly feel unwell during swimming, such as dizziness, nausea, palpitation, shortness of breath, etc., you should immediately go ashore to rest or call for help.

6. In swimming, if the calves or feet cramp, don't panic, you can push your legs or do jumping movements, or massage and pull the cramps hard, and call your companions for help.

7. When encountering a drowning accident while swimming, on-site first aid is urgent, and cardiopulmonary resuscitation is the most important. After rescuing the drowning person ashore, immediately remove vomit and sediment and other debris from the mouth and nasopharyngeal cavity to keep breathing smooth; The tongue should be pulled out so that it does not turn back to block the airway; Raise the abdomen of the drowning person so that the chest and head hang down, or hold the drowning person's legs and put the abdomen on the shoulders of the first responder and do walking or jumping"Pour the water"Action. Restoring the drowning person's breathing is the key to the success or failure of first aid, and artificial respiration should be carried out immediately, which can be done mouth-to-mouth or mouth-to-nose, and should be quickly sent to the hospital for treatment at the same time as first aid.

"Drowning Prevention Safety Knowledge": A book that teaches people to master the safety knowledge of drowning prevention.

Reduce going to the water's edge to playWhether it is in hot weather, children like to be near the water, as parents have the obligation to tell their children about the dangers of the water's edge. In this way, children are afraid of danger and can reduce the occurrence of drowning. During the summer vacation every summer, because the children are playing at home, there is a pond near the house, and the children will be forced to play in the pond.

However, because the depth of the pond is not known, the child drowns, and only by doing a good job of safety protection awareness can the accident be reduced.

After drowning, it will trigger a diving reflex, at this time, the amount of blood in the human brain will be insufficient, and at the same time, it will also cause the human heart to be unbearable, resulting in a very violent contraction, and there will also be severe hypoxia, as well as dizziness or visual impairment and other phenomena.

Not being able to breathe will also lead to a lack of oxygen to the brain, and it will also make people very nervous, their expressions will be very hideous, and their bodies will become very tense.

Shock, stopping breathing for a short period of time, slow heartbeat, slow pulse, can also cause respiratory failure, and in severe cases, death.

The heartbeat will be slower, and the breathing will be more intense, the blood vessels will expand violently, which will affect the heart, will affect the cerebral blood supply, resulting in insufficient blood supply, the brain will lack oxygen, affect breathing, faint easily, pale, convulsions, and headaches.

Regarding drowning, it can be said that the frequency of occurrence in teenagers is now the highest, why drowning? The first is that the accumulation of some common sense about swimming in the river is not comprehensive, which leads to emergencies such as sudden leg cramps, or feet entangled in the grass at the bottom of the water, all of which panic and lead to drowning death. Another part is that the swimming skills are not very good, and the preparation before entering the water leads to tragedy.

There is also a person who goes into the water alone, and no one comes to save you when there is an emergency, and no one calls for help by yourself, so I am sad with you. Dead, in general, first, want to swim in the water, first improve your swimming skills, and then there is a good warm-up, but also have to have an escort, parents do not have a few familiar friends, good water can also be, just in case, more important is to try to swim in the regular swimming pool, the outside of the river is too dangerous, some places have different water depths, some may have broken glass or broken beer bottles, some dangerous obstacles, it is easy to get injured, so it is not recommended to swim outside, almost that's all, I hope to help the pro, this is some of my own views, immature places please bear with me (>