# A 12-year-old child with aplastic anemia is admitted to the pediatric unit. Which assessment finding would be the nurse's highest priority to monitor?

> source: MyMerci (mymerci.kr)  
> url: https://mymerci.kr/pages/nclex_q.php?qn_id=542173  
> language: ko  
> subject: Child Health

## 문제

A 12-year-old child with aplastic anemia is admitted to the pediatric unit. Which assessment finding would be the nurse's highest priority to monitor?

The nurse is caring for a pediatric patient with aplastic anemia and needs to identify the most critical assessment parameter.

## 보기

1. Complaints of joint pain and stiffness in the morning
2. Presence of petechiae on the lower extremities
3. Temperature elevation to 101.2°F (38.4°C) with chills **✔ 정답**
4. Fatigue and weakness during activities of daily living

**정답: 3**

## 해설

In aplastic anemia, the bone marrow fails to produce adequate blood cells, resulting in pancytopenia. The most life-threatening complication is infection due to neutropenia, making fever the highest priority assessment finding requiring immediate intervention.

Aplastic anemia is a serious hematologic disorder caused by bone marrow failure, characterized by pancytopenia (decreased red blood cells, white blood cells, and platelets). This condition leads to several clinical problems, but infection is the most immediate life-threatening concern.

Pathophysiologically, aplastic anemia is marked by bone marrow hypoplasia or aplasia due to damage or destruction of hematopoietic stem cells. This results in insufficient blood cell production, leading to anemia (decreased red blood cells), neutropenia (decreased white blood cells), and thrombocytopenia (decreased platelets). Each condition presents specific clinical symptoms and risks.

An elevated temperature with chills is the highest priority assessment finding because it indicates a potential infection in an immunocompromised patient. The neutropenia characteristic of aplastic anemia severely impairs the child's ability to fight infection. Even a minor infection can rapidly progress to life-threatening sepsis in a neutropenic patient. The lack of neutrophils blunts the normal inflammatory response, making fever one of the few reliable indicators of infection.

Immediate nursing interventions for fever in a patient with aplastic anemia include obtaining blood cultures, implementing neutropenic precautions, promptly administering prescribed antibiotics, and closely monitoring vital signs. The nurse should also assess for other signs of infection, which may be subtle in neutropenic patients. Early detection and treatment of infection are crucial to prevent septic shock and death.

Petechiae indicate thrombocytopenia and bleeding risk, fatigue reflects anemia, and joint pain may suggest other complications, but none of these are as critical as the immediate life threat posed by infection in a neutropenic patient. The priority in aplastic anemia nursing care is always infection prevention and early detection.

## 심화 해설

Clinical Judgment
This question evaluates Prioritization and Clinical Judgment in a patient with Aplastic Anemia. The core is identifying which of the three major complications of Pancytopenia (infection, bleeding, anemia) is the most acutely life-threatening. Aplastic anemia causes the bone marrow to fail to produce sufficient blood cells, leading to simultaneous Neutropenia, Thrombocytopenia, and Anemia. Among these, infection due to neutropenia can progress most rapidly to Sepsis and death, making it the highest priority for monitoring. Option 3, "elevated temperature with chills," is a critical clue for infection requiring immediate medical intervention.

Memory Tip:
Use **A** **B** **C** to remember the priority. The complications of aplastic anemia are **A**nemia, **B**leeding, and **C**hemotaxis issues (infection). Among these, **C** (infection) is the most **C**ritical.

KR vs US:
While fever in an aplastic anemia patient is also considered an emergency in Korea, the US NGN/NCLEX heavily emphasizes the concept that "Fever in a neutropenic patient is an ONCOLOGIC EMERGENCY." Protocols are strictly established, defining fever in a neutropenic patient as a life-threatening situation where antibiotic administration must begin within 1 hour.

## 임상 시나리오

Clinical Practice Guide
When caring for patients with aplastic anemia or neutropenia receiving chemotherapy:
1. Report immediately if a single temperature is 38.3°C (101°F) or higher, or if 38.0°C (100.4°F) persists for more than 1 hour.
2. In addition to fever, monitor for signs of sepsis such as chills, sweating, hypotension, tachycardia, and changes in level of consciousness.
3. Focus on infection prevention by strictly adhering to strict aseptic technique and hand hygiene.

Caution:
In SATA (Select All That Apply) questions, if a question like "What are the necessary nursing interventions for a patient with aplastic anemia?" appears, infection prevention measures (isolation, handwashing), bleeding prevention (use of soft toothbrush), and anemia management (rest) can all be correct answers. However, in questions asking for the "highest priority" or "most urgent" action, always select signs of infection (fever).

## 핵심 개념

- **Aplastic Anemia** — Aplastic anemia. A condition where the bone marrow fails to produce enough blood cells (red blood cells, white blood cells, platelets).
- **Pancytopenia** — Pancytopenia. A condition in which all three blood cell lines—red blood cells, white blood cells, and platelets—are decreased in the peripheral blood.
- **Neutropenia** — Neutropenia. A condition where the number of neutrophils (the main white blood cells that fight infection) in the blood is abnormally low. A major cause of increased infection risk in aplastic anemia.
- **Febrile Neutropenia** — Febrile neutropenia. Fever occurring in patients with neutropenia. It is considered a medical emergency requiring immediate evaluation and empiric antibiotic therapy.
- **Petechiae** — Petechiae. Small (1-2mm), red or purple spots that appear on the skin or mucous membranes, caused by capillary bleeding. A sign of thrombocytopenia.

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