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Bruise. A bruise, also known as a contusion, is a type of hematoma of tissue, [3] the most common cause being capillaries damaged by trauma, causing localized bleeding that extravasates into the surrounding interstitial tissues. Most bruises occur close enough to the epidermis such that the bleeding causes a visible discoloration.
A wound is any disruption of or damage to living tissue, such as skin, mucous membranes, or organs. [1][2] Wounds can either be the sudden result of direct trauma (mechanical, thermal, chemical), or can develop slowly over time due to underlying disease processes such as diabetes mellitus, venous/arterial insufficiency, or immunologic disease. [3]
Specialty. Emergency medicine. An abrasion is a partial thickness wound caused by damage to the skin. [1] It can be superficial involving only the epidermis to deep, involving the deep dermis. Abrasions usually involve minimal bleeding. [2] Mild abrasions, also known as grazes or scrapes, do not scar or bleed because the dermis is left intact ...
A degloving injury is a type of soft-tissue avulsion injury that can occur anywhere in the body. [1] Commonly affected areas include the face, scalp, trunk, limbs, and genitalia. [1] Degloving injuries are caused by shearing forces that cause the soft tissue layers to get pulled apart. [1][2] They were first reported in the twentieth century ...
Hand injury. The hand is a very complex organ with multiple joints, different types of ligament, tendons and nerves. Hand disease injuries are common in society and can result from excessive use, degenerative disorders or trauma. Trauma to the finger or the hand is quite common in society. In some particular cases, the entire finger may be ...
A gunshot wound (GSW) is a penetrating injury caused by a projectile (e.g. a bullet) shot from a gun (typically a firearm). [11][12] Damage may include bleeding, bone fractures, organ damage, wound infection, and loss of the ability to move part of the body. [2] Damage depends on the part of the body hit, the path the bullet follows through (or ...
Skin repair. Protection from mechanical injury, chemical hazards, and bacterial invasion is provided by the skin because the epidermis is relatively thick and covered with keratin. Secretions from sebaceous glands and sweat glands also benefit this protective barrier. In the event of an injury that damages the skin's protective barrier, the ...
A welt is a bloodshot stripe on the skin. They are hematoma, a special form of a bruise. Welts occur when blunt force is applied to the body with elongated objects without sharp edges. Like other haematomas, welts change their colors as they heal, which usually takes two to four weeks. The colors include purplish black, reddish blue, brown or ...