Pressure (Decubitus) Ulcer Staging

Stage I 

Presence ofa reddened area that fails to blanche with pressure, and changes in temperature (warmth or coolness), consistency (firm or boggy), sensation (pain or itching), or color (red, blue, or purple on darker skin; red on lighter skin) 



Stage II 

The skin forms a blister or sore. Partial-thickness skin loss or ulceration involving the epidermis, dermis, or both 



Stage Ill 

A crater appears in the skin, with full-thickness skin loss and damage to or necrosis of subcutaneous tissue that may extend to, but not through, underlying muscle 



Stage IV 

The pressure ulcer deepens. There is full-thickness skin loss, with destruction, tissue necrosis, or damage to underlying muscle, bone, and sometimes tendons and joints 



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** GrepMed Recommended Text: Bates' Guide to Physical Examination and History Taking - https://amzn.to/2Z6LYmf