# A nurse is caring for a client who presents to the emergency department with frostbite on both hands after being stranded in a snowstorm for 6 hours. What is the most appropriate initial nursing intervention?

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> subject: Adult Health

## 문제

A nurse is caring for a client who presents to the emergency department with frostbite on both hands after being stranded in a snowstorm for 6 hours. What is the most appropriate initial nursing intervention?

## 보기

1. Apply direct heat using heating pads to rapidly rewarm the affected areas
2. Massage the frostbitten areas vigorously to restore circulation
3. Immerse the affected areas in warm water (104-108°F/40-42°C) for 15-30 minutes **✔ 정답**
4. Rub the frostbitten areas with snow to gradually increase temperature

**정답: 3**

## 해설

The correct treatment for frostbite involves controlled rewarming using warm water at 104-108°F (40-42°C) for 15-30 minutes to safely restore circulation and prevent further tissue damage. Other options like direct heat, massage, or rubbing with snow can cause additional harm.

## 심화 해설

Understanding the Pathophysiology

Frostbite occurs when tissue freezes, leading to cellular dehydration, ice crystal formation within cells, and microvascular occlusion. The primary therapeutic goal is to salvage as much tissue as possible, which depends on rapidly restoring perfusion while minimizing reperfusion injury. The case report by Wang et al. emphasizes that the sooner appropriate treatment is administered, the more tissue can be saved [1]. This makes the selection of the initial rewarming method a critical clinical decision.

Analysis of Interventions

The most appropriate initial intervention is rapid rewarming in a controlled water bath. The standard of care involves immersing the affected part in circulating water heated to 104-108°F (40-42°C) for 15-30 minutes until the skin becomes pliable and red or purple in color. This method, known as rapid active rewarming, directly addresses the core pathophysiology by quickly thawing the intracellular ice crystals, which halts ongoing cellular destruction, and promotes vasodilation to restore blood flow [1].

The other options are contraindicated because they cause further tissue damage:

- Applying direct heat via heating pads risks burning insensate tissue due to the patient's lack of protective sensation. The heat is also difficult to regulate precisely, leading to uneven rewarming.

- Massaging or rubbing the area is harmful because the ice crystals within the frozen tissue act like sharp shards. Any mechanical manipulation will lacerate cell membranes and microvasculature, dramatically worsening the injury and increasing the likelihood of tissue necrosis.

- Rubbing with snow introduces further cold injury and mechanical trauma, directly contradicting the goal of controlled rewarming.

Clinical Reasoning and NCLEX Application

For the NCLEX-RN, the priority is always safety and the application of evidence-based guidelines. This question tests the nurse's ability to distinguish between interventions that intuitively seem helpful but are dangerous, and the one method proven to minimize tissue loss. The case report underscores that even with delayed presentation, as in the case of the patient lost for 2 days, the principle of administering the correct treatment to preserve tissue and function remains paramount [1]. The nurse's role is to initiate this controlled rewarming immediately while providing analgesia, as the process is intensely painful, and protecting the thawed tissue from refreezing.References (research sources)

- [1]Comprehensive treatment of deep frostbite of multiple fingers after trauma: A case report.Case reportWang XH, Li M, Cheng Y, Wang GJ, Lin GL, Liu WN. (2023) · DOI: 10.12998/wjcc.v11.i34.8219

## 임상 시나리오

Frostbite Rewarming ProtocolRapid Active Rewarming in a Controlled Water Bath
The definitive initial treatment for frostbite is rapid active rewarming. Immerse the affected area in circulating water heated precisely to 104-108°F (40-42°C) for 15-30 minutes until the skin becomes pliable and flushed.

This method quickly thaws intracellular ice crystals, halting ongoing cellular destruction, and promotes vasodilation to restore perfusion while minimizing reperfusion injury.

CautionNever use dry heat (heating pads), massage, or rub with snow. These actions cause burns, mechanical tissue destruction from ice crystals, or further thermal injury due to absent protective sensation.

## 핵심 개념

- **Frostbite** — Tissue injury caused by freezing, leading to ice crystal formation, cellular dehydration, and microvascular occlusion.
- **Rapid Active Rewarming** — The standard treatment involving immersion in a controlled water bath at 104-108°F (40-42°C) to quickly thaw tissue.
- **Reperfusion Injury** — Tissue damage that occurs when blood supply returns after a period of ischemia, requiring controlled rewarming to minimize.

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