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In this type of injury, the capillaries in the epidermis and dermis are damaged, without breaking the skin. [8] Blood oozes out of these vessels into the spaces between cells or interstitial space, causing swelling and discoloration. Blood loss is generally limited, and not of serious consequence.
The universal first aid symbol A US Navy corpsman gives first aid to an injured Iraqi citizen.. Medical portal; First aid is the first and immediate assistance given to any person with a medical emergency, [1] with care provided to preserve life, prevent the condition from worsening, or to promote recovery until medical services arrive.
Burns that affect only the superficial skin layers are known as superficial or first-degree burns. [ 2 ] [ 11 ] They appear red without blisters, and pain typically lasts around three days. [ 2 ] [ 11 ] When the injury extends into some of the underlying skin layer, it is a partial-thickness or second-degree burn . [ 2 ]
Large and small first aid kits used by the British Red Cross for event first aid, in the internationally recognized safety green with a white cross. These kits also feature the red cross , which is a protected symbol under the Geneva Conventions and may only be used by the Red Cross or military.
The injury should be iced on and off in 20 minute intervals, avoiding direct contact of the ice with the skin. Compression Bandaging the injury will compress it, and prevent any further bleeding or swelling from occurring. Elevation Elevating the injury above the heart while resting will aid in the reduction of swelling.
A first-degree abrasion involves only epidermal injury. A second-degree abrasion involves the epidermis as well as the dermis and may bleed slightly. A third-degree abrasion involves damage to the subcutaneous layer and the skin and is often called an avulsion .