# A 4-year-old child with acute lymphoblastic leukemia (ALL) is admitted for chemotherapy. Which assessment finding would be the highest priority for the nurse to report immediately to the healthcare provider?

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## 문제

A 4-year-old child with acute lymphoblastic leukemia (ALL) is admitted for chemotherapy. Which assessment finding would be the highest priority for the nurse to report immediately to the healthcare provider?

## 보기

1. Petechiae on the trunk and bleeding gums
2. Temperature of 101.2°F (38.4°C) with complaints of sore throat **✔ 정답**
3. Fatigue and pallor with hemoglobin level of 8.5 g/dL
4. Nausea and decreased appetite following chemotherapy administration

**정답: 2**

## 해설

Fever with sore throat in an immunosuppressed child on chemotherapy indicates potential infection, a life-threatening emergency requiring immediate reporting. Other findings are concerning but less urgent.

## 심화 해설

Clinical Priority in Febrile Neutropenia

When caring for a child with acute lymphoblastic leukemia (ALL) undergoing chemotherapy, the nurse must prioritize assessments based on the immediate threat to life. The induction phase of chemotherapy causes profound myelosuppression, leading to severe neutropenia. In this state, the child's ability to mount an inflammatory response is severely compromised, making infection the most critical and rapidly fatal risk.

The finding of a temperature of 101.2°F (38.4°C) with a sore throat is the highest priority. This presentation represents febrile neutropenia (FN) until proven otherwise. In the context of chemotherapy-induced neutropenia, a fever is a medical emergency. The absence of sufficient neutrophils means the body cannot effectively contain or fight pathogens, allowing a localized infection like pharyngitis to rapidly progress to bacteremia and septic shock. The provided meta-analysis highlights that FN is a primary outcome of concern during induction, underscoring its clinical significance [1]. A retrospective cohort study further confirms that FN episodes are a major driver of morbidity, prolonged hospital stay, and mortality in this population [2]. The diagnostic challenge is immense; while blood culture is the gold standard, its limitations have spurred the development of rapid molecular diagnostics like RT-qPCR to quickly identify bloodstream pathogens in FN, emphasizing the urgency of timely intervention [3]. Research also explores biomarkers like procalcitonin (PCT) to help distinguish infectious FN from non-infectious causes, reflecting the clinical need to rapidly risk-stratify these patients [4]. Therefore, this temperature and symptom must be reported immediately so that broad-spectrum antibiotics can be administered without delay, ideally within 60 minutes of presentation.

The other options, while clinically significant, do not represent the same level of immediate, life-threatening urgency:

- **Option 1 (Petechiae and bleeding gums):** This indicates thrombocytopenia, a common and serious complication of chemotherapy. While it requires prompt intervention, it does not carry the same risk of rapid hemodynamic collapse within hours as untreated febrile neutropenia.

- **Option 3 (Fatigue and pallor with Hgb 8.5 g/dL):** This reflects anemia, which is an expected consequence of myelosuppression. A hemoglobin of 8.5 g/dL is low and will require monitoring and possibly transfusion, but it is not an immediate emergency compared to a potential systemic infection.

- **Option 4 (Nausea and decreased appetite):** These are common, expected side effects of chemotherapy administration. They are managed with antiemetics and supportive care and do not represent an immediate threat to the child's survival.

The core principle in post-chemotherapy care is that infection in a neutropenic host is a time-critical emergency. The inability to produce clinical signs of severe infection means that a fever may be the only early warning sign of a catastrophic bloodstream infection.

References (research sources)

- [1]Efficacy of fluoroquinolone prophylaxis during induction phase in children with acute lymphoblastic leukemia: a systematic review and meta-analysis.Meta-analysis/systematic reviewLandivar MC, Hartmann Rost I, Carvalho Kilson A, Torres Campo MA, Santarosa Vieira AG. (2026) · DOI: 10.1007/s00431-026-07010-5

- [2]Computed tomography-derived sarcopenia, enteral nutritional support, and febrile neutropenia burden in children with acute lymphoblastic leukemia: a retrospective cohort study.Research articleÇalışkan Kamış Ş, Kamış B, Çil M, Boz N, Koç AS, Yağcı B. (2026) · DOI: 10.3389/fped.2026.1752343

- [3]Diagnostic performance of the Sepsis qPCR MX-30<sup>®</sup> panel compared with conventional blood culture in pediatric febrile neutropenia: a single-center retrospective study.Research articleKurtipek FB, Yozgat AK, Gökçek E, Kaçar D, Dinç B, Yaralı N. (2026) · DOI: 10.1186/s12879-026-13352-0

- [4]Procalcitonin and proadrenomedullin in pediatric acute leukemia: biomarkers for infection and beyond.Research articleMeena JP, Makkar H, Bhattacharya S, Sidhique P R R, Gupta AK, Halder A, Seth R. (2026) · DOI: 10.24953/turkjpediatr.2026.6705

## 임상 시나리오

Febrile Neutropenia ManagementImmediate Response to Fever in Immunocompromised Patients
A single temperature of ≥38.3°C (101°F) in a patient with an absolute neutrophil count (ANC) below 500 cells/mm³ constitutes a medical emergency. Do not wait for repeat measurements.

Prioritize obtaining blood cultures from all lumens of a central line and a peripheral site, then immediately administer broad-spectrum IV antibiotics within 1 hour of fever recognition.

CautionA lack of classic signs of infection (e.g., pus, redness) is common in neutropenia. A sore throat or mild fever may be the only indication of impending septic shock. Never delay antibiotics for a full workup.

## 핵심 개념

- **Febrile Neutropenia** — A medical emergency defined as a single oral temperature of ≥38.3°C (101°F) or a sustained temperature of ≥38.0°C (100.4°F) for over an hour in a patient with an absolute neutrophil count (ANC)
- **Myelosuppression** — A decrease in bone marrow activity resulting in reduced production of blood cells, a common and expected side effect of chemotherapy leading to neutropenia, anemia, and thrombocytopenia.
- **Absolute Neutrophil Count (ANC)** — A measure of the number of neutrophil granulocytes in the blood, calculated from a complete blood count, used to assess a patient's risk of infection.

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