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Breakdown by high-voltage electrical is usually a serious electrical injury, which can leave the following sequelae:
1. The most common sequelae are the sequelae of the cardiovascular system, such as ventricular fibrillation, and there will be certain sequelae of arrhythmia, palpitations, chest tightness, shortness of breath and other different degrees after successful rescue. 2. For the respiratory system, temporary respiratory failure, shock and other conditions will occur after being broken down by high-voltage electricity, and the respiratory system will also be reduced in the later stage, and patients are prone to weakened immunity and barrier function of the respiratory system. 3. There will be certain sequelae in the nervous system, such as the dysfunction of the nervous system in the limbs that are penetrated by high-voltage electricity, such as finger tremor, finger numbness and limb numbness.
1. Short circuit: In the circuit, the current does not flow through the electrical appliance, and is directly connected to the positive and negative poles of the power supply. According to Ohm's law i=u r, we know that since the resistance of the wire is small, the current on the circuit will be very large when the power supply is short-circuited.
Such a large current, the battery or other power sources cannot withstand it, which will cause damage to the power supply; What's more, because the current is too high, the temperature of the wire will rise, and in severe cases, it may cause a fire.
2. Breakdown: Under the action of electric field, the insulator will produce destructive discharge, the insulation resistance will decrease, the current will increase, and the phenomenon of destruction and perforation will occur. An important cause of accidents in electrical equipment.
The voltage at which it occurs is called "breakdown voltage", and its value is related to the type and thickness of the material and the environment in which it is used.
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There are two main causes of electrocution death: one is that the heart and respiratory system are paralyzed by electric current, and die of lack of oxygen; One is to be burned to death by the heat generated by the electric current. These two causes generally work together.
Death due to lack of oxygen, of course, takes a certain amount of time; The heat generated by the electric current during cauterization is also directly proportional to the magnitude and time of the current. Strictly speaking, it is impossible to die "instantly".
However, for high-voltage electricity (long-distance transmission voltage in the range of 110k to 1000k), the current is extremely large, so the time required to burn to death is also very small (maybe less than a second), which can be said to be "instantaneous" for ordinary people, and it is difficult to have the opportunity to struggle.
Electrical injuries are different from other injuries, the wound will be very deep, and will be accompanied by electrical burns, generally there are two kinds of contact burns and arc burns, contact burns mostly occur in high-voltage electric shock accidents through the entrance and exit of the human body, the burns are yellow or brownish black and involve subcutaneous tissues, tendons, muscles, nerves and blood vessels, and even make the bones appear carbonized, generally the first period is longer, the wound is not easy to heal, very painful.
There are also many sequelae of being electrocuted, such as metallization, electric branding, electric eyes, etc., and they will suffer from this sin for the rest of their lives.
If the operation is improper, it is also a matter of minutes to be electrocuted, don't think that high-voltage electricity will electrocute people, and it is not uncommon to die under low-voltage electricity. When the electric current flows through the human body, it will produce varying degrees of tingling and numbness, accompanied by involuntary contractions. Therefore, the reason why it is sucked after being electrocuted is because the muscles of the hand contract and involuntarily hold the wire.
When muscles contract, strong contractions of the pectoral, diaphragm, and glottis muscles can impede breathing, killing the person who is electrocuted.
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Symptoms caused by electrical injuries may cause local wounds and painful blisters, and the early symptoms may not be complete.
Suggestions: In your case, I recommend actively applying Meibao cream topically, taking vitamin C sodium capsules and Dalixin tablets**, changing dressings once every 2 days is appropriate, and actively infusion** if not.
High-voltage electrical burns can cause serious damage to this limb of a person. Especially the limbs of the hands and feet, then it not only affects the surface **, it can affect the muscles, tendons, nerves, and blood vessels of the creature, so the speed of good depends on the extent and depth of its burns and the degree of impact on important tissues such as blood vessels and nerves. In the case of good and fast, the first thing is to pay attention to the prevention and treatment of its complications, judge the severity of its damage to your deep tissues, muscles and blood vessels, advocate local protection in the early stage, and then inject tetanus, check the numbness and swelling of the fingers or further changes in ischemia, and observe whether there are any systemic diseases, including some manifestations of visceral damage, early renal damage, and some other problems have appeared, if it is only a limited problem, then observe whether it can be conservative**can** If this is not possible, surgical exploration or debridement, or some flap repair should be considered to help the patient and make the patient's wound heal as soon as possible.
Electrical burns: Go to the hospital immediately to find a professional burn doctor for diagnosis and treatment, carefully examine the body, understand whether there is nerve tendon injury, and reduce the upper area, indexing, improve relevant examinations, such as X-ray, positive**.
Suggestions: It is recommended that high-voltage electric burns not only cause ** damage, but also cause damage to the deep group to prevent wound infection and make it heal in the first stage. Early debridement, normal saline, iodophor, and immediate application of pedicle flap to repair the injured tissue** Electrocauterized tissues must be examined in detail, except for the partial preservation of nerves and tendons, other inanimate tissues should be completely removed.
That is, the former is an epidermal phenomenon and the latter is an osmotic phenomenon.
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Burns are fire burns, mainly epidermal injuries; A puncture is a penetrating injury, such as from the palm of the hand to the back of the hand.
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All of them are electrical injuries, but one is on the surface and the other is on the inside of the tissue.
Both are hard**, but comparatively harder to deal damage after breakdown**.
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If it is the full responsibility of the other party for being burned by high-voltage electricity, it shall be compensated in accordance with the law. General compensation for ** expenses, lost work expenses, nursing expenses, nutrition expenses, and transportation expenses.
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** specialties in various provinces and cities.
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Hospitals specializing in ** burns.
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Shocked by such a high voltage.
After that, it usually directly causes electric shock-like death, that is, it will be electrocuted immediately.
Electrocution refers to death caused by an electric current passing through the body. Electric shock usually occurs in the following two situations:
1) The body is in direct contact with the power supply;
2) The body is in a high-voltage or ultra-high-voltage electric field, although the body is not directly in contact with the power supply, but the current can penetrate the air or other media first, and then enter the body, resulting in electric shock The degree of damage to the body depends on the intensity, nature, duration of action, the way through the body and the functional state of the body at that time.
To determine whether death is dead, you can smell whether there is breath in the mouth and nose, whether there is an undulating lifting action in the chest, and whether there is a pulsation in the carotid artery.
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After being shocked by tens of thousands of volts of high-voltage electricity, the basic hope of survival is very small.
Classification of electric shock:
1. According to the composition of electric shock accidents, electric shock accidents can be divided into electric shock and electric injury.
1 Electric shock. Electric shock is the most dangerous type of injury caused by electric current to the internal tissues of the human body, and the vast majority of electrocution fatalities (about 85% or more) are caused by electric shock.
The main characteristics of the shock are:
1) Harm the inside of the human body.
2) There are no significant traces on the appearance of the human body.
3) Less lethal current.
2 Electrical injury. Electrical injury is an injury caused to a person by the thermal, chemical, and mechanical effects of an electric current. Among the electric shock accidents, about 75 were pure electric injuries and electrical injuries (about 40 were electrical burns). Although about 85 percent of electrocution deaths are caused by electric shock, about 70 percent of them contain electrical injuries.
For the safety of professional electricians themselves, the prevention of electrical injuries is of greater importance. (1) Electrical burns are injuries caused by the thermal effect of electric current, which are divided into electric current burns and arc burns. Electric current burns are injuries caused by the human body coming into contact with an electrically charged body, and the electric current passing through the human body is converted into heat energy.
Current burns generally occur on low-voltage equipment or low-voltage lines. Arc burns are injuries caused by arc discharges and are divided into direct arc burns and indirect arc burns. The former is a burn in which an electric arc occurs between the charged body and the human body, and an electric current flows through the human body; The latter is a burn to the human body caused by an electric arc that occurs near the human body, and consists of scalds caused by the splash of molten red-hot metal.
Direct arc burns occur at the same time as electric shocks. The arc temperature is as high as 8900 or more, which can cause large-scale and deep burns, and even scorch, burn off limbs and other parts. A large electric current passes through the body, and it may also dry and scorch body tissues.
The burns of the high-voltage arc are lower than the severe of the piezoelectric arc, and the burns of the DC arc are more serious than the power-frequency alternating current arc. In the case of direct arc burns, the current inlet and outlet burns are the most severe, and the body is also burned. Unlike electric shocks, arc burns leave visible marks on the surface of the human body and are more lethal.
2) Metallization is a rough and tight injury caused by the melting and vaporization of metal and the penetration of metal particles under the action of high temperature of the arc. **Metallization often occurs at the same time as arc burns. (3) Electrobranding is a permanent stain left on the part of the human body that comes into contact with an electrically charged body.
The scars lose their original elasticity and color, the epidermis is necrotic, and they lose consciousness. (4) Mechanical injury refers to the injury caused by the fracture and fracture of the body's tissues due to the reflex of the central nervous system and the strong contraction of muscles when the electric current is applied to the human body. (5) Electro-optical eye is the damage to the eyes caused by infrared, visible light and ultraviolet rays when arc discharge occurs.
Electro-optic eye shows keratitis or conjunctivitis.
2. According to the way of electric shock accidents, it can be divided into:
1 Single-phase electric shock.
2 Two-phase electric shock.
3 Step voltage electrocution.
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What a strange question you have! If it's a power line, it's basically over, what are you going to wake up? Of course, tens of thousands of volts of high-voltage electric shock will not necessarily die, depending on what the situation is electrocuted.
For example, static electricity, there are many times will reach tens of thousands, but the average person will not die because of this, in addition to the high-voltage test, because the test voltage will have a protection loop and limit the current, then the damage caused is also limited, the size of the damage to ginseng mainly depends on the current and action time, according to each person's physique, environmental conditions are related. Why is static electricity the least hazard? Because the action time is extremely short, the charge release is instantaneous, and the action current is not very large, so the harm is small.
If it is a high-voltage line, the power system is regarded as an infinite stable voltage source, and the current flowing through the human body is directly related to the resistance of the body, and at the same time, with the aggravation of the damage when the current is acted, the current will increase, so people are basically abolished. Of course, everyone's personal conditions are different, and there are special circumstances. This situation is immediately rescued with the knowledge of emergency care, and there may be a glimmer of life.
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How long it takes to wake up depends on God's will, and death doesn't need to be judged, basically it's all about going to see Marx!
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