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Stages of Pressure Ulcers

Stages I - IV of Pressure Ulcers

From , former About.com Guide

Updated August 29, 2009

About.com Health's Disease and Condition content is reviewed by the Medical Review Board

Pressure ulcers are categorized into four stages depending on the level of tissue involvement, or depth of the sore. The tissue being referred to includes the skin and underlying dermis, fat, muscle, bone, and joint. Knowing the appropriate stage assists in the prognosis and management of the ulcer.

Stage I

Nonblanchable erythema of intact skin the heralding lesion of skin ulceration. In individuals with darker skin, discoloration, warmth, edema, induration, or hardness may be indicators.

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