Burn wounds pale or charred

The classification of burns is currently adopted in China by the three-degree quarter method, which is divided into Ⅰ degree, shallow Ⅱ degree, deep Ⅱ degree, and Ⅲ degree according to the depth of burn. Clinical habit is called Ⅰ degree, shallow Ⅱ degree for shallow burn, deep Ⅱ degree, Ⅲ degree for deep burn. Burns with pale or charred charcoal are III degree burns. Third degree burns: Involves the entire layer of the skin and even subcutaneous fat, muscles, and internal organs. The wound was pale or charred, no pain, no blisters, no sensation, and tough and leather-like. After 3 to 4 weeks, the granulation tissue surface remains after the eschar is shed, scars remain after healing, and skin function is lost, causing deformities. Acid burns generally do not blister and quickly become scabs. Sulfuric acid, nitric acid, and hydrochloric acid burns were dark brown, yellow brown, and yellow, respectively; the deeper the burn, the darker the burnt color, the more pronounced the indentation, and the harder the texture. Alkali burn wounds are sticky or soapy, scorched, flushed, and have small blisters, which are generally deep. After the scorched or necrotic tissue falls off, the wounds sag and the edges sneak, often unhealed. In addition, acid burns can easily be estimated to be deeper. Alkali burns and other chemical burns continue to deepen. The depth of verification should be repeatedly estimated. Severe burns: It can affect various organs and tissues throughout the body, and a series of pathophysiological processes, such as water and salt electrolyte disorders, acid-base balance disorders, shock, DIC, immune balance disorders, secondary infections, heart dysfunction, and respiratory dysfunction, etc. In particular, impaired respiratory function is one of the important causes of death.

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