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 ...

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 ...

Bedsores, also known as pressure ulcers ... and kept damp between dressing changes. Symptoms include: The wound is craterlike and noticeably deeper than in stage 2. Skin over the sore is broken ...