Electric burn

There are two types of electrical injury in the clinic. One is systemic injury, called electric shock. The skin damage is slight, and the electric current enters the body and immediately spreads throughout the body, mainly damaging the heart and causing dramatic changes in hemodynamics. This presents palpitations, dizziness, disturbance of consciousness, etc., and electrical shock or even cardiac arrest may occur. First aid removes the patient from the power supply quickly and provides resuscitation. The other type is local injury. Electric current generates heat in the tissue whose conduction is blocked, causing tissue protein to coagulate or carbonize, and to form thrombus. In addition, tissue cells (such as vascular endothelium) in the current conduction path can also be damaged due to electrolysis, and degeneration and necrosis can occur. Patients with electrical burns are not injured systemically, but because the latter procedure is light, there are only temporary symptoms, and local injury after recovery is the main problem.

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