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 ...

Medically reviewed by Michael Menna, DO Wound healing involves four stages: homeostasis, inflammation, proliferation, and ...

Stage I pressure ulcers involve the superficial skin layer and are characterized by erythema to dusky to blue-gray coloration, swelling, and discomfort. Stage II pressure ulcers involve a partial ...