The National Pressure Ulcer Advisory Panel redefined the definition of a pressure ulcer and the stages of pressure ulcers in 2007, including the original 4 stages and adding 2 stages on deep tissue ...
Pressure ulcers are characterized into four stages dependent on the severity and depth of the lesion (Figure 1). Stage I pressure ulcers involve the superficial skin layer and are characterized by ...
What is a pressure ulcer or bedsore? A pressure ulcer, or bedsore, is an area of skin - and sometimes also the tissue underneath - that has become damaged because of pressure. An ulcer may develop ...