Tunneling can occur in stage 3 and stage 4 pressure ulcers. You may have a wound that appears to affect only the surface of the skin, but if you don’t get the right treatment, it can turn into a ...

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 ...