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**After electric shock, there will be numbness, and if the voltage is relatively high, it will even burn**. After leaving the store, you should go to the hospital for bandaging and ** as soon as possible.
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In mild cases, startles, sluggishness, paleness, and pain in the burned area, dizziness, tachycardia, and malaise may occur. In severe cases, coma occurs. If there is a wall around you when you are electrocuted, push hard to break free.
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It is difficult for people to control their bodies when they are electrocuted, if they encounter an electric shock, they must first separate him from the place of electric shock, and then observe the electric shock, if the degree of electric shock is not high, let him lie down and rest, and then send him to the hospital. If the condition is severe, chest compressions and artificial respiration should be done.
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The weak point is susceptible to electric shock, this is because the stratum corneum on the surface is thin and does not have good insulation properties. When the body carries static electricity, static electricity will accumulate on the surface, and the weak point is more likely to feel the static electricity due to the lack of good insulation protection.
We need to understand what static electricity is. Static electricity refers to the phenomenon caused by the uneven distribution of electric charges on the surface of an object. In a dry environment, the human body is prone to some static electricity due to the friction of clothes, shoes, etc.
When static electricity is carried on the body, the phenomenon of electrical discharge occurs when it comes into contact with other substances, which is what we often call "electric shock".
We need to understand the construction. **Consists of three layers, which are the epidermis, dermis and subcutaneous tissue. The epidermis is the outermost layer and is mainly composed of keratinocytes.
The keratinocyte space is relatively large and does not have good insulating properties. The dermis has good insulating properties.
From the above two points, it can be seen that when the body has static electricity, static electricity will accumulate on the surface of **. And because the keratinocyte gap in the weak part of the ** is relatively large, it cannot block static electricity well, so it is easier to feel the electric shock.
The weak cuticle is also easily damaged, leading to tiny cracks and wounds on the surface. These tiny wounds can also affect the insulating properties of **, making the body more susceptible to electrostatic infections.
Therefore, in order to avoid electric shock, we should try to reduce the chance of static electricity on our body as much as possible. You can choose to wear clothes and shoes made of cotton and other materials to reduce the chance of friction with other objects; At the same time, it is necessary to keep the indoor humidity appropriate to prevent the air from being too dry.
It should be noted that when encountering electric shock in daily life, do not touch charged objects or the human body with your hands. The degree of electric shock can be reduced by approaching the ground and getting away from the charged object as soon as possible.
The weak point is easy to be electrocuted because the surface keratinocyte gap is relatively large and does not have good insulation properties. The weak point is easy to be destroyed, which will also affect the insulation performance. In order to avoid electric shock, we should minimize the chance of static electricity on our body and maintain proper humidity in the room.
In the event of an electric shock, it is necessary to take the correct protective measures to reduce the degree of electric shock.
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It may be related to clothes, clothes contain some polyester, fiber components, it is easy to produce static electricity after rubbing, it is best to wear some cotton clothes.
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1. The first is the manifestation of the whole body, the mild electric shock person is dizzy, palpitations, paleness, cyanosis of the lips, weakness of the limbs, emotional tension, fainting due to panic and may have muscle pain. Patients with moderate electric shock are frightened, pale, sluggish expression, numbness of the electrocuted limbs, and some patients even faint and temporarily lose consciousness. Those with severe electric shocks will immediately coma and convulsions.
The second is a local manifestation, which is mainly manifested as ** electrical and thermal burns.
2. First, quickly cut off the power supply and disconnect the patient from the power supply. Second, the patient was judged to be conscious of the mild and severe electrical injuries, and was sent to the hospital for the next step of treatment. For patients who are in coma and have cardiorespiratory arrest, perform on-site cardiopulmonary resuscitation immediately, and call 120 immediately until the 120 car arrives.
3. Industrial electricity, household electricity, lightning, and bioelectricity can all cause electrical injuries. Electrical injuries that occur when a power source comes into direct contact with the body surface are the most common. In high-voltage or ultra-high-voltage power plants, arcing occurs when an electric current passes through the air, even if it is not in direct contact with the power supply.
The length of the arc can range from a few centimeters to more than a centimeter, depending on the voltage, so that a person can be damaged as long as they are close to the high voltage line.
4. When the electrocuted person is conscious, accompanied by fatigue, palpitation, and general weakness, he can generally recover after a few days of bed rest. Symptomatic support** as necessary, such as early cooling**, correction of water, electrolyte, and acid-base imbalances, prevention and treatment of secondary infections, and routine injection of tetanus antitoxin. After the burn around the burn of the burn patient is treated with iodine wine and alcohol, it is covered with a disinfectant dressing to reduce pollution.
In severe cases, they will be hospitalized in the burn department**.
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(1) Have breathing and heartbeat, be conscious, lie down and rest, and pay attention to observation.
2) If there is no breathing and there is a heartbeat, do artificial respiration immediately.
3) If there is breathing but no heartbeat, immediately do cardiac resuscitation (chest extrusion) (4) If there is no breathing and no heartbeat, immediately do artificial respiration and cardiopulmonary resuscitation.
Electric shock The symptoms vary depending on the part of the body through which the electric current flows
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The most severe is burning, followed by fainting, and again the feeling of numbness.
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1. Local manifestations include different degrees of burns, bleeding, and scorching.
2.The burn area is clearly demarcated from normal tissue.
3.Generalized dysfunction, such as shock, respiratory and cardiac arrest.
4.The cause of death is ventricular fibrillation due to a high degree of depression in the brain (the respiratory center of the medulla) and myocardial depression caused by electrical currents.
5.Damage after an electric shock is related to voltage, current, and the condition in which the conductor touches the surface of the body. High voltage, strong current, low resistance and damp body surface are easy to kill.
If the current is transmitted from only one limb or the surface of the body, or if the limb is dry and resistant, it may cause burns and not necessarily death.
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If the current is not large, then this is called static electricity, static electricity: The so-called static electricity is a kind of electric charge that is at rest or does not flow (the flowing charge forms the electric current). Static electricity is formed when the charge is gathered on an object or surface, and the charge is divided into two types: positive charge and negative charge, that is to say, the phenomenon of static electricity is also divided into two types, namely positive static electricity and negative static electricity.
When the positive charge is gathered on an object, it forms positive static electricity, and when the negative charge is gathered on an object, negative static electricity is formed, but whether it is positive static electricity or negative static electricity, when the electrostatic object touches a zero-potential object (grounded object) or an object with a potential difference, the charge transfer will occur, which is the spark discharge phenomenon we see every day. For example, the weather in the north is dry in winter, and the human body is prone to static electricity, and when it comes into contact with other people or metal conductors, it will cause discharge. People will have the pinprick feeling of electric shock, and sparks can be seen at night, which is the reason why chemical fiber clothes rub against the human body and bring positive static electricity.
With basic physics knowledge, we know that rubber rods rub against fur, rubber rods are negatively charged, and fur belts are positively charged).
Static electricity is not static electricity, it is electricity that temporarily stays somewhere on a macroscopic scale. When people stand up on the carpet or sofa, the human body voltage can also be higher than 10,000 volts, and the static electricity in the rubber and plastic film industry can be as high as more than 100,000 volts.
Matter is made up of molecules, which are made up of atoms, which are made up of negatively charged electrons and positively charged protons. Under normal conditions, the number of protons and the number of electrons of an atom are the same, and they are in equilibrium, so they are not charged externally. However, the electrons surround the nucleus, and as soon as they are exposed to external force, they will deorbit, leave the original atom A and invade other atoms B, and the A atom has a positive electric phenomenon due to the reduction of the number of electrons, which is called cation; The B atom is negatively charged due to the increase in the number of electrons and is called an anion.
The reason for the unbalanced electron distribution is that the electrons are deorbited by an external force, which includes various energies (such as kinetic energy, potential energy, thermal energy, chemical energy, etc.) In daily life, any two objects of different materials are separated after contact, and static electricity can be generated.
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