# A 5-year-old child is admitted to the pediatric unit with suspected bacterial meningitis. Which assessment finding would be the MOST concerning and require immediate intervention?

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## 문제

A 5-year-old child is admitted to the pediatric unit with suspected bacterial meningitis. Which assessment finding would be the MOST concerning and require immediate intervention?

## 보기

1. Presence of petechiae on the trunk and extremities **✔ 정답**
2. Temperature of 102.8°F (39.3°C) with chills
3. Positive Kernig's sign during physical examination
4. Photophobia and preference for dim lighting

**정답: 1**

## 해설

Petechiae indicate meningococcemia and septicemia, which can rapidly progress to septic shock and death, requiring immediate intervention. Other findings like fever, Kernig's sign, and photophobia are typical but less urgent.

## 심화 해설

Clinical Priority in Suspected Bacterial Meningitis

The assessment finding that is most concerning and requires immediate intervention is the presence of petechiae on the trunk and extremities. This finding is a hallmark sign of meningococcemia, a fulminant form of bacterial meningitis caused by Neisseria meningitidis, which can rapidly progress to septic shock and death.

Pathophysiology and Clinical Rationale

Bacterial meningitis in children involves pathogens breaching the blood-brain barrier (BBB), triggering a severe immune response and meningeal inflammation [1]. While this mechanism explains the classic triad of fever, neck stiffness, and altered mental status, the specific pathogen N. meningitidis introduces a distinct and lethal complication. This bacterium releases endotoxins that cause widespread endothelial damage, activating the coagulation cascade and leading to disseminated intravascular coagulation (DIC). The petechial rash is a visible marker of this systemic microvascular thrombosis and bleeding. It signals that the infection is no longer confined to the subarachnoid space but has evolved into a systemic vasculitic process, which can cause adrenal hemorrhage (Waterhouse-Friderichsen syndrome) and refractory shock within hours.

The other options, while consistent with a diagnosis of meningitis, do not represent the same level of immediate life threat. A temperature of 102.8°F (39.3°C) with chills reflects the systemic infectious and inflammatory response, which is an expected finding in the early stages of the disease [1]. A positive Kernig's sign is a classic indicator of meningeal irritation, a direct consequence of the inflammation of the meninges that is key for early diagnosis but is not in itself an indicator of imminent hemodynamic collapse [1]. Similarly, photophobia is a common symptom arising from meningeal inflammation and cranial nerve irritation, requiring a supportive environment but not an emergency intervention.

NCLEX-RN Clinical Judgment

The NCLEX-RN exam tests your ability to prioritize care using frameworks like Maslow's hierarchy and the ABCs (Airway, Breathing, Circulation). In this scenario, the petechial rash is the only finding that directly points to an impending circulatory collapse from septic shock and DIC. The priority nursing action upon seeing this finding is not just documentation but immediate notification of the healthcare provider and preparation for rapid fluid resuscitation, vasopressor administration, and broad-spectrum antibiotic therapy. The other findings—fever, meningeal signs, and photophobia—are managed after ensuring the child's airway and circulation are stabilized.References (research sources)

- [1]Recent advancements in pediatric purulent meningitis: diagnosis and treatment.Research articleYang L, Jin W, Liu Y, Hu W, Chen Y, Wang G, Li W, Gao Q. (2026) · DOI: 10.1186/s13052-025-02192-4

## 임상 시나리오

Pediatric Meningitis: Recognizing the Red FlagPrioritizing Petechiae as a Sign of Fulminant Disease
The presence of petechiae in a child with suspected meningitis is an emergency. It indicates meningococcemia, where Neisseria meningitidis endotoxins cause widespread endothelial damage and disseminated intravascular coagulation (DIC).

Immediate nursing actions include isolating the patient with droplet precautions, obtaining blood cultures, and preparing for rapid antibiotic administration as prescribed. Monitor closely for signs of septic shock such as hypotension and tachycardia.

CautionA petechial rash can progress to purpura and Waterhouse-Friderichsen syndrome (adrenal hemorrhage) within hours. Do not delay intervention to complete a full lumbar puncture if signs of increased intracranial pressure or cardiovascular instability are present.

## 핵심 개념

- **Meningococcemia** — A severe systemic infection caused by Neisseria meningitidis characterized by rapid progression to petechial rash, DIC, and septic shock.
- **Petechiae** — Pinpoint, non-blanching red or purple spots on the skin caused by microhemorrhages, a hallmark sign of endothelial damage in meningococcemia.
- **Waterhouse-Friderichsen syndrome** — Adrenal gland failure due to hemorrhage into the adrenal glands, a critical complication of fulminant meningococcemia.
- **Disseminated Intravascular Coagulation (DIC)** — A serious disorder in which the proteins that control blood clotting become overactive, leading to widespread clotting and subsequent bleeding.
- **Kernig's sign** — A clinical sign of meningeal irritation where the patient resists extension of the knee when the hip is flexed at 90 degrees.

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