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Related Concept Videos

Burn Injuries01:22

Burn Injuries

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Burn injuries occur when the skin and underlying tissues are damaged due to exposure to heat, electricity, chemicals, radiation, or friction. They can vary in severity, from minor superficial burns to severe deep burns that can be life-threatening.
The damage results in the death of skin cells, which can lead to a massive loss of fluid. Dehydration, electrolyte imbalance, and renal and circulatory failure follow, which can be fatal. Burn patients are treated with intravenous fluids to offset...
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Household Wiring And Electrical Safety01:13

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Companies that supply power to most modern households use three conductors, typically called a three-wire line. While one is neutral, the other two are both at 120 V but with opposite polarity, giving a voltage of 240 V between them. With a three-wire line, high-power appliances that require 240 V, such as electric stoves and clothes dryers, are linked between the two hot lines. 120 V appliances can be connected between the neutral and either of the hot lines. The neutral side, which is always...
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Electrical Power01:07

Electrical Power

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Electric power is the product of current and voltage, represented in units of joules per second, or watts. For example, cars often have one or more auxiliary power outlets with which you can charge a cell phone or other electronic devices. These outlets may be rated at 20 amps and 12 volts, so that the circuit can deliver a maximum power of 240 watts. Consider a 25 Watt bulb and a 60 Watt bulb. The conversion of electrical energy produces heat and light, while the kinetic energy lost by the...
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Electrical Conductivity01:13

Electrical Conductivity

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In perfect conductors, the electric field inside is always zero due to the abundance of free electrons, which nullify any field by flowing. As a result, any residual charge resides on the surface.
In a practical conductor, an applied electric field may be sustained, causing a flow of electrons, which produce a current. The differential form of the current, the current density, is related to the electric field.
More generally, it is related to the force per unit charge, which involves the...
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Electrical Energy01:10

Electrical Energy

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Using electric appliances for a longer period of time consumes more electrical energy and results in a higher electric bill. The energy produced by the transfer of electrons from one point to another is known as electrical energy. If power is delivered at a constant rate, the electrical energy can be defined as the product of power used by the device for a period of time. The energy unit on electric bills is the kilowatt-hour, where one kilowatt-hour is equivalent to 3.6 × 106 joules.
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Electrical Synapses01:28

Electrical Synapses

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Electrical synapses found in all nervous systems play important and unique roles. In these synapses, the presynaptic and postsynaptic membranes are very close together (3.5 nm) and are actually physically connected by channel proteins forming gap junctions.
Gap junctions allow the current to pass directly from one cell to the next. In contrast, in the chemical synapse, the neurotransmitters carry the information through the synaptic cleft from one neuron to the next. They consist of two...
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Investigation of the Electrophysiological and Thermographic Safety Parameters of Surgical Energy Devices During Thyroid and Parathyroid Surgery in a Porcine Model
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Electrical burns: a five-year experience--1985 Evans lecture.

M Haberal

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    |February 1, 1986
    PubMed
    Summary
    This summary is machine-generated.

    Electrical burn injuries, often caused by inattentiveness, lead to severe musculoskeletal complications and acute renal failure. High mortality rates underscore the need for improved prevention and early intervention strategies.

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    Area of Science:

    • Trauma Surgery
    • Burn Care
    • Emergency Medicine

    Background:

    • Electrical burn injuries represent a significant cause of trauma, particularly among males across pediatric and adult populations.
    • Common causes include product misuse, inattentiveness, lack of knowledge, and inadequate parental supervision, highlighting preventable factors.
    • The study reviews a cohort of 94 electrical burn patients treated over a 5-year period.

    Purpose of the Study:

    • To analyze the incidence, causes, complications, and outcomes of electrical burn injuries.
    • To identify critical factors contributing to morbidity and mortality in electrical burn patients.
    • To emphasize the importance of early intervention and public education for electrical burn prevention.

    Main Methods:

    • Retrospective review of 94 electrical burn patient cases treated over a 5-year period.
    • Data collection focused on patient demographics, injury cause, complications, treatment modalities, and mortality.
    • Analysis of complication rates, particularly musculoskeletal issues and acute renal failure, and their management outcomes.

    Main Results:

    • Musculoskeletal complications were prevalent (37.3%), with a high rate of major amputations (71.42%) in affected patients.
    • Acute renal failure occurred in 18.08% of cases, indicating severe systemic impact.
    • Despite intensive treatments like peritoneal and hemodialysis, the overall mortality rate remained alarmingly high at 58.82%.

    Conclusions:

    • Electrical burn injuries are associated with severe complications, including high rates of amputation and significant mortality.
    • Early surgical decompression and closer patient monitoring are crucial for mitigating complications.
    • Public health initiatives and physician education are essential for preventing electrical burn injuries through increased awareness and safety measures.