Stage 1 : Skin is intact but may be reddened, Itching , Area may be painful, Temperature changes (increases) , Stage 2: Partial thickness loss of the dermis presenting as a shallow open ulcer, If blister is present, may be intact or open with blood-tinged fluid, Stage 3: All layers of skin are destroyed, Subcutaneous fat may be visible, Bone, muscle, tendons, and ligaments are not exposed, Stage 4: Full thickness tissue loss, Muscle exposed, Bone exposed, Dead tissue may be present,

Pressure ulcer stages

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恢復自動保存: ?