Low-temperature burns are more common in winter, accounting for about one-third of winter burns. It means that the body is exposed to a heat source with a low temperature for a long time, causing heat accumulation and causing burns to the skin and subcutaneous tissue of the contact area. The maximum heating temperature of patch-type baby warmers can exceed 60℃, the working temperature of rechargeable electric heaters is above 74℃, and the surface temperature of hot water bottles filled with boiling water exceeds 80℃, which may cause damage to the skin and subcutaneous tissue. Cause low temperature burns.

Low-temperature burns are different from high-temperature burns. The pain in the wound is not very obvious. Only redness, swelling, blisters, peeling or whitening appear on the skin. The area is often not large, and the surface does not seem to be serious. However, the wounds are deep and may even cause deep tissue necrosis in severe cases. If low-temperature burns are not treated properly, infection may occur, the wound may deepen, and chronic ulcers may form. Song Huapei introduced that infants, teenagers, the elderly, diabetics, patients with vasculitis, and patients with stroke sequelae are all at high risk of low-temperature burns.

For small and medium-sized low-temperature burns, the correct treatment method is to immediately rinse the wound with tap water or immerse the wound in cold water (15~20℃); or apply a towel, gauze pad, etc. soaked in cold water on the wound. Wound surface. Cold therapy usually lasts from 30 minutes to several hours. During the process of cold therapy, attention should be paid to protecting the blister skin to avoid avulsion of the blister skin, causing wound exposure, deepening, and infection.

Once a low-temperature burn occurs, remember not to apply herbs, ointments, violet solution, red solution, soy sauce, salad oil, toothpaste, etc. on the wound. Because such items may cause bacterial infection of the wound, increase the depth of the burn, and also affect the doctor's judgment of the injury.

After treating the wound according to the above-mentioned correct first aid methods, you should go to a regular hospital for treatment in time. Low-temperature burns will damage the skin and deep tissues, and the treatment time will be lengthened and the treatment will be more troublesome. Especially low-temperature burns with deep wounds and severe infection are difficult to cure through local dressing changes, and surgery is required to promote wound healing.