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Lightning is a kind of high voltage electricity. Lightning strikes usually hit the tip of the tallest object and then pass to the ground along the route with the least resistance. Isolated tall trees or buildings are vulnerable to lightning strikes. If the human body touches or approaches a lightning strike or is in the highest position nearby, it may be struck by lightning. In recent years, with the development of construction, the lightning disaster in cities has been on the rise, and the damage caused by lightning has also been increasing. Every year in Beijing, the damage caused by lightning strikes has caused damage.
The damage caused by thunder and lightning to the human body is very complex. Although it can cause ventricular fibrillation after hitting the body, this high amperage current is usually brought back to normal heart rhythm after stopping the heartbeat. The duration of respiratory arrest is long and continuous. Therefore, continuous artificial respiration is the main means for recovery from lightning strikes.
In addition, lightning can cause strong muscle contractions and fractures. The injured person will also have reddish branches or thin strips on the skin. This is a degree I or II degree burn, which is caused by the current flowing along or through the skin.
Because the current intensity of lightning is high, but the shock time is very short, so muscle damage is rare, but it can also cause carbonization of tissue, and a large number of lacerations. There may be deep burns at the ring worn by the patient, on the watch, necklace or belt.
After discovering that someone was struck by lightning, artificial mouth-to-mouth resuscitation should be carried out first. The earlier the artificial respiration is performed, the better the recovery of the injured person's body, and the human brain's lack of oxygen for more than ten minutes will be fatal; Perform a heart massage and promptly notify the hospital for rescue treatment.
If the victim is caught in a fire caused by a lightning strike, he should immediately let the injured lie down so that the flame does not burn his face and splash water on the wounded person, or use thick coats, blankets, etc. to wrap the wounded to extinguish the flame.
Symptoms after a lightning strike â—† Similar to the feeling of electric shock â—† Lightning strikes can cause the victim's clothing to catch fire, metal ornaments melt, and burns to varying degrees.
â—† When the lightning hits the head and passes through the body to the ground, there is a fatal danger. Most of lightning is caused by lightning and causes sudden cardiac arrest.
First aid and care 1 Rescue the injured in a safe situation.
2 When clothing is on fire, you should splash water on your body or use a thick coat to wrap the wounded to extinguish the flame.
3 Burns are treated as "burns".
4 Cardiac arrest occurs Immediately contact with the principle of electric emergency First aid, rescue, and cardiopulmonary resuscitation.
5 Dial 120 emergency phone to apply for emergency medical services.
6 After being struck by a lightning, even if the surface does not seem to be injured, it should be observed. Please check with your health care provider to ensure that you have no trouble.
Preventing Lightning Strokes When lightning strikes, it feels skin tingling or hair straightening. This is a sign that the electric shock will come. At this time, you should leave the place quickly and run quickly in either direction.
Stay indoors, close the doors and windows and stay away from the doors and windows; people working outside should go into the building. Do not crowd many people together.
Do not use faucets and lightning protection measures insufficient television, audio and other electrical appliances.
Keep away from live equipment such as electrical wires or other similar metal devices. Do not touch antennas, water pipes, metal doors and windows, or the exterior of buildings.
Do not use phones and mobile phones.
It is not advisable to exercise outdoors. When thunder strikes, it is very dangerous to have water vapor on the body. Outdoor swimming should immediately go ashore and dry. Get out of the water and other open spaces and look for places to dodge. Wear rubber sole shoes have a certain degree of protection.
Do not handle flammable items contained in open containers.
Do not stand on the top of a mountain, on the roof of a building, or other objects with high electrical conductivity. Keep away from the trees and keep 3 meters away from the trunk. It is not advisable to use an umbrella in an open space. Do not use an umbrella with a metal tip or carry metal items such as gimmicks, badminton rackets, and golf clubs on your shoulders.
Should not fly kites, motorbikes or bicycles
Rainy season lightning protection
In the rainy season of the year, frequent lightning strikes followed. In order to avoid the occurrence of thunder and lightning accidents, or to provide the injured with correct and timely treatment at the first time when an accident occurs, we first come to understand thunder and lightning.