# 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?

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> 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. Presence of joint pain and swelling
2. Signs of bleeding or petechiae **✔ 정답**
3. Complaints of fatigue and weakness
4. Elevated body temperature

**정답: 2**

## 해설

In aplastic anemia, thrombocytopenia (low platelet count) creates the highest risk for spontaneous bleeding, which can be life-threatening. Monitoring for bleeding signs is the priority assessment.

Aplastic anemia is a serious hematologic condition caused by bone marrow failure, characterized by pancytopenia where production of all blood cells—red blood cells, white blood cells, and platelets—is reduced. When caring for pediatric patients with aplastic anemia, the nurse must prioritize assessment of complications that pose the most immediate threat to life.

The most critical concern in aplastic anemia is thrombocytopenia (severely low platelet count), typically below 20,000/μL. Platelets are essential for hemostasis and blood clotting. When platelet counts are severely low, patients are at extremely high risk for spontaneous bleeding, including intracranial hemorrhage, gastrointestinal bleeding, and mucosal bleeding. Signs of bleeding include petechiae (small red or purple spots on the skin), purpura (larger purple bruises), epistaxis, gum bleeding, and hematuria.

Nursing assessment should focus on early detection because bleeding complications can quickly become life-threatening. The nurse should assess for petechiae, especially on the lower extremities, check for mucosal bleeding, monitor vital signs for signs of hemorrhage (tachycardia, hypotension), and evaluate neurological status for signs of intracranial bleeding.

While anemia causes fatigue and neutropenia increases infection risk (fever), bleeding complications from thrombocytopenia pose the most immediate threat to life. Early recognition and intervention for bleeding can prevent fatal hemorrhage. This assessment priority reflects the NCLEX-RN emphasis on identifying life-threatening complications and prioritizing nursing care based on physiological needs using frameworks such as Maslow's hierarchy of needs and the ABCs of emergency care.

## 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: Prioritizing Care in Pediatric Aplastic Anemia

Pathophysiology and Immediate Threats

Aplastic anemia results in bone marrow failure and pancytopenia. The nurse must recognize that while anemia and neutropenia cause significant symptoms, the profound **thrombocytopenia** poses the most acute risk of sudden, life-threatening hemorrhage, including intracranial bleeding.

Priority Nursing Assessment

- **Highest Priority:** Continuous monitoring for signs of active bleeding. Inspect the skin, oral mucosa, and conjunctiva for petechiae, purpura, or ecchymosis. Assess all bodily fluids (urine, stool, emesis) for occult or frank blood.

- **Neurological Checks:** Perform frequent neurological assessments to detect early signs of increased intracranial pressure (e.g., change in level of consciousness, headache, pupil changes), which could indicate an intracranial hemorrhage.

- **Vital Sign Trends:** Monitor for tachycardia, hypotension, and narrowing pulse pressure, which are late signs of significant blood loss and hypovolemic shock.

Immediate Nursing Interventions

- **Bleeding Precautions:** Institute measures to minimize trauma. Use a soft-bristled toothbrush, avoid rectal procedures and IM injections, apply prolonged pressure after venipuncture, and prevent falls.

- **Rapid Response:** If signs of active bleeding or neurological deterioration are observed, immediately notify the rapid response team and prepare for potential platelet transfusion as per protocol.

- **Family Education:** Teach caregivers to report any new bruising, petechiae, or behavioral changes immediately, emphasizing the rationale for strict activity restrictions and protective environment.

## 핵심 개념

- **Aplastic Anemia** — A rare, serious blood disorder where the bone marrow fails to produce enough new blood cells, leading to pancytopenia.
- **Pancytopenia** — A deficiency of all three cellular components of the blood: red cells (anemia), white cells (leukopenia), and platelets (thrombocytopenia).
- **Thrombocytopenia** — A condition characterized by abnormally low levels of platelets in the blood, significantly increasing the risk of bleeding and hemorrhage.
- **Petechiae** — Pinpoint, round spots that appear on the skin as a result of bleeding under the skin; a key early sign of thrombocytopenia.
- **Hemostasis** — The physiological process that stops bleeding at the site of an injury, involving vasoconstriction, platelet plug formation, and coagulation.

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