Pressure Injury
A bedsore is damage to a patient's tissue or skin that occurs due to poor circulation caused by pressure in a specific area. Initially, you may notice redness in the affected area. Due to a violation of the blood supply, the tissue in this place collapses, necrosis is formed.
Various layers of skin, muscle, and bone may be affected. Areas that are particularly at risk are the sacral spine, heels, elbows, and shoulder blades.