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 ...

This is particularly true for stage 1 ulcers, which may be a warning that more serious lesions are to follow. Stage 2 pressure ulcers usually require an occlusive or semipermeable dressing that ...