Wounds are classified in several ways and include intentional or un intentional wound s (i.e., from treatment/therapy or accidental), open or closed wound s (i.e., break in the skin or under the skin layers), acute or… Friction and shear are mechanical forces that tear and injure blood vessels and can contribute to the development of pressure injuries

Risk factors for development of pressure injuries include exposure to excessive moisture, malnutrition and dehydration, and decreased mobility and cognition . Pressure injuries are localized ischemic lesions of the skin and underlying tissue caused by external pressure that impair blood and lymph flow.

burn — an injury to the skin caused by thermal, electrical, chemical, or electromagnetic energy. wound — an injury that causes a disruption of normal skin or tissue integrity. cognition — the mental processes that take place in the brain such as thinking, language, learning, memory, perception, and attention. closed wound — a wound that does not have a break in the skin and occurs under the skin’s surface.