A nurse is assessing a 78-year-old bedridden patient who has been hospitalized for 10 days. Which assessment finding would be the MOST concerning and require immediate intervention for a suspected deep tissue pressure injury?

• 1 A purple or maroon localized area of discolored intact skin that is painful and feels different in temperature or consistency compared to adjacent tissue. ✓ 정답
• 2 A shallow open ulcer with a red-pink wound bed and partial-thickness skin loss involving the epidermis and/or dermis.
• 3 A stage 1 pressure injury with non-blanchable erythema over a bony prominence that blanches with fingertip pressure.
• 4 An area of skin that appears slightly red but returns to normal color when pressure is applied and resolves within 30 seconds.

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