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How should a third-degree burn be covered before professional medical care is available?

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Cross-section diagram of human skin showing burn depth by degree, with arrows indicating that first-degree burns affect only the epidermis, second-degree burns reach the dermis, third-degree burns extend into subcutaneous tissue, and fourth-degree burns penetrate to muscle. — burn This diagram shows how burn injuries are classified by severity. First-degree burns damage the outer skin, known as the epidermis. First-degree burns are the least severe form of burn injury. Second-degree burns damage the outer skin and some of the underlying skin, known as the dermis, which also includes some connective tissue. Third-degree burns damage all the layers of skin, including subcutaneous tissue. Fourth-degree burns, which are the most severe, destroy every layer of skin and also damage muscle, tendons, and bones.

Third-degree burns are medical emergencies that require immediate professional attention. Before such care is available, the injury should be covered using bulky, sterile dressings or freshly laundered bed linens.1

It is critical to follow these safety guidelines:
* Do not immerse the burn in water, as this can intensify circulatory shock.1
* Do not remove any clothing that is stuck to the wound.1
* Do not apply any ointments, salves, sprays, or other substances to the area.1

Additionally, if the burn affects the legs or feet, they should be elevated, and burned hands should be raised above the level of the heart. Most importantly, the victim's breathing must be closely monitored, and artificial respiration should be administered if breathing ceases.1