Skin breaks, abrasion, blister, or shallow crater, oedema, and infection are characteristics of?

SCTIMST Staff Nurse - 2016

Medical & Surgical Nursing

Easy

Appeared in: SCTIMST Staff Nurse - 2016

Explanation

The correct answer describes a Stage II pressure ulcer, which is defined by partial-thickness skin loss involving the epidermis and/or dermis.
The clinical presentation of a Stage II ulcer includes superficial lesions like an abrasion, a serum-filled blister (intact or ruptured), or a shallow crater.
The presence of a break in the skin rules out Stage I, and the shallow nature of the wound rules out the deeper Stage III and Stage IV ulcers.

Option A: A Stage I pressure ulcer is characterized by intact skin with non-blanchable redness. The question stem explicitly mentions 'skin breaks,' which contradicts the definition of a Stage I ulcer.
Option B: A Stage IV pressure ulcer involves full-thickness tissue loss with exposed or directly palpable bone, tendon, or muscle. This is the most severe stage and is far deeper than the 'shallow crater' described in the question.
Option C: A Stage III pressure ulcer is characterized by full-thickness skin loss where subcutaneous fat is visible, but bone, tendon, or muscle are not exposed. This represents a deeper level of tissue damage than a 'shallow crater' or 'blister'.

Clinical Relevance

Nursing practice connection: Knowing Staging of pressure ulcers based on clinical characteristics helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
Accurate staging of pressure ulcers is a fundamental nursing skill that directly impacts the plan of care, selection of wound dressings, and prevention of further tissue damage.
Failure to correctly identify and treat a Stage II ulcer can lead to its progression to Stage III or IV, resulting in significant pain, increased risk of severe infection (including osteomyelitis), and prolonged healing time.
What if? - If the shallow crater had visible yellowish, globular tissue at its base, it would be classified as a Stage III pressure ulcer. This is because the visible tissue is subcutaneous fat, indicating full-thickness skin loss, which requires different management, potentially including debridement and more absorbent dressings.

How to Approach the Question

First, analyze the keywords in the question stem: 'skin breaks,' 'abrasion,' 'blister,' and 'shallow crater.'
Recall the definitions of the four primary stages of pressure ulcers.
The presence of a 'skin break' immediately rules out Stage I, which is defined by intact skin.
The terms 'blister' and 'shallow crater' point towards partial-thickness skin loss, which is the key characteristic of a Stage II ulcer.
Contrast this with Stage III (full-thickness skin loss with visible fat) and Stage IV (full-thickness tissue loss with exposed bone/muscle). The description does not match these deeper stages.
Based on this systematic comparison, conclude that the signs are characteristic of a Stage II pressure ulcer.

Concept Tested & Keywords

Concept Tested: Staging of pressure ulcers based on clinical characteristics.
Stem keywords: Skin breaks, abrasion, blister, shallow crater, oedema, infection, pressure ulcer
Lead-in keywords: characteristics of
Negative lead-in flag: false

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E6 Nursing Fundamentals Taylor p. 560-562

E6 Nursing Fundamentals Potter Perry 12e Part 6 p. 70-72