What are the hazards of electric current to the human body?
May 16, 2023
Source: Cainiu Health
Dr. Yang Shuwen
Introduction
Hazards of electric current to the human body include injuries at contact sites, skin metallization, and nervous system damage. Electric current enters the body through the skin, causing localized burns. Excessively high current can rapidly soften metallic components of electrical devices, stimulating the epidermal tissues. As current travels through nerves to various parts of the body, it may cause symptoms such as dizziness and headaches.
The harm caused by electric current to the human body generally includes injury at the contact site, skin metallization, and nervous system damage. A detailed analysis is as follows:
1. Contact Site Injury
In daily life, people usually come into contact with electric current when using electrical appliances. The current enters the body through the skin, causing local burns and resulting in symptoms such as redness, swelling, and pain at the affected area.
2. Skin Metallization
Metal acts as a "medium" for electric current, allowing electricity to easily pass through it. Following an electric shock, excessive current may rapidly melt metallic components of the appliance, stimulating the body's surface tissues. This causes the skin to develop unusual discoloration and become rough and hardened.
3. Nervous System Damage
When the body contacts electric current, the current travels through nerves to various parts of the body. However, nerves cannot withstand excessively high currents, which may lead to neurological symptoms such as dizziness and headache.
In addition, abnormal vital signs may also occur. If any of the above conditions occur, it is recommended to seek immediate medical attention at a hospital. Doctors will provide targeted treatment based on the patient's specific condition.
