What does a Stage I pressure ulcer typically appear as?

A Stage I pressure ulcer is characterized by non-blanchable redness of the skin, which means that when pressure is applied, the redness does not fade or lighten. This occurs in areas where there is prolonged pressure that affects the blood flow to the skin. The skin at this stage may feel warm to the touch and can be firm or boggy depending on the level of tissue damage. It is an early indicator of pressure injury and signifies that there is damage to the underlying skin, though the skin itself has not broken open.

In contrast, the other options describe different stages or types of injuries. For instance, an open wound with drainage typically signals a more advanced ulceration, while blisters filled with fluid generally indicate a Stage II pressure ulcer, where the skin has begun to break down more significantly. Thickened skin may suggest chronic pressure damage or other skin conditions but does not represent the typical appearance of a Stage I pressure ulcer. Recognizing the characteristics of a Stage I pressure ulcer is essential for early intervention and management to prevent progression to more severe stages.