# A nurse is caring for a patient with suspected bacterial meningitis. Which nursing action should be the highest priority?

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> subject: Adult Health

## 문제

A nurse is caring for a patient with suspected bacterial meningitis. Which nursing action should be the highest priority?

A 22-year-old college student presents to the emergency department with a severe headache, neck stiffness, photophobia, and a petechial rash on the trunk and extremities. The patient reports feeling ill for the past 12 hours with rapidly worsening symptoms.

## 보기

1. Implement droplet precautions immediately **✔ 정답**
2. Administer prescribed analgesics for headache relief
3. Prepare the patient for lumbar puncture
4. Monitor vital signs every 15 minutes

**정답: 1**

## 해설

Droplet precautions are the highest priority to prevent transmission of bacterial meningitis, which is highly contagious via respiratory droplets. Other interventions like pain management or monitoring are secondary to safety.

## 심화 해설

Clinical Presentation and Immediate Priority

The patient presents with a classic triad of severe headache, neck stiffness, and photophobia, accompanied by a petechial rash. This clinical picture is highly suggestive of invasive meningococcal disease, a severe, rapidly progressive infection caused by Neisseria meningitidis [1]. The presence of a petechial rash is a particularly ominous sign, often indicating meningococcemia with disseminated intravascular coagulation. Given that the patient's symptoms have worsened rapidly over only 12 hours, the highest priority nursing action is to immediately implement droplet precautions.

Rationale for Prioritizing Droplet Precautions

The foundational principle in managing suspected bacterial meningitis is balancing prompt clinical intervention with stringent infection control. While preparing for a lumbar puncture, administering analgesics, and frequent vital sign monitoring are all important components of care, they are secondary to the immediate safety need of preventing transmission. Neisseria meningitidis is transmitted through large respiratory droplets, and healthcare workers are at risk during close contact. Initiating droplet precautions before any other prolonged close-contact procedure protects the nurse, other patients, and the entire healthcare team. This aligns with the core discussion that emergency physicians and nurses must maintain a high index of suspicion and act rapidly, as early symptoms can mimic benign viral illnesses [1]. The modeling study further supports that isolation is a critical control strategy in managing outbreaks and preventing secondary cases [2].

Analysis of Other Options

- Administering prescribed analgesics (Option 2): Pain management is important for patient comfort, but it does not address the immediate life-threatening risk of transmission or the rapid progression of the infection. It is a lower priority than a safety intervention that protects others.

- Preparing the patient for lumbar puncture (Option 3): Cerebrospinal fluid analysis via lumbar puncture is essential for definitive diagnosis. However, this invasive procedure requires the nurse to be in close proximity to the patient's airway for an extended period. It should not be performed until after appropriate isolation precautions are in place.

- Monitoring vital signs every 15 minutes (Option 4): Frequent monitoring is critical for detecting early signs of septic shock, a major complication of meningococcemia. However, this is an ongoing assessment task. The very first action, before settling into a monitoring routine, must be to establish the infection control barrier.

Pathophysiological and Clinical Correlation

The rapid progression from non-specific symptoms to a critical state is a hallmark of invasive meningococcal disease, which carries a high rate of morbidity and mortality [1]. The bacteria invade the bloodstream and cross the blood-brain barrier, triggering a massive inflammatory response. This leads to increased intracranial pressure (manifesting as headache and photophobia), meningeal irritation (neck stiffness), and endothelial damage (petechial rash). The effective reproduction number (Ref) highlighted in epidemic models demonstrates how easily symptomatic individuals can spread the disease in a community or healthcare setting, reinforcing why immediate isolation is a cornerstone of both clinical management and public health safety [2]. The nurse's immediate action of implementing droplet precautions directly interrupts this chain of transmission at the point of care.References (research sources)

- [1]High risk and low incidence diseases: Meningococcal disease.Research articleCejin MC, Koyfman A, Long B. (2026) · DOI: 10.1016/j.ajem.2025.09.031

- [2]Media campaigns, early diagnosis, isolation and treatment on bacterial meningitis outbreak prevention: A modeling study.Research articleKoutou O, Ouédraogo W, Ouédraogo H, Afassinou K, Diabaté AB. (2026) · DOI: 10.1177/00368504251399573

## 임상 시나리오

Suspected Meningitis: Infection Control FirstPrioritizing Droplet Precautions in Meningococcal Disease
For suspected bacterial meningitis, especially with a petechial rash, assume Neisseria meningitidis until proven otherwise. The nurse's first and immediate action is to implement droplet precautions.

Place the patient in a private room and ensure a surgical mask is worn by all staff and visitors upon entry. This must be done before any prolonged close-contact procedures like lumbar puncture or detailed assessments.

CautionA petechial rash signals possible meningococcemia with rapid deterioration risk. Do not delay isolation for diagnostic procedures; the safety of the healthcare team and other patients is the highest priority.

## 핵심 개념

- **Droplet Precautions** — Infection prevention measures used for pathogens transmitted via large respiratory droplets (e.g., N. meningitidis), requiring a surgical mask for anyone entering the patient's room.
- **Petechial Rash** — Small, non-blanching red or purple spots on the skin caused by bleeding under the skin, a classic sign of meningococcemia and disseminated intravascular coagulation.
- **Meningococcemia** — A severe bloodstream infection caused by Neisseria meningitidis, often presenting with a petechial rash and capable of rapid progression to septic shock.
- **Meningitis Triad** — The classic clinical presentation of meningitis, consisting of fever, neck stiffness (nuchal rigidity), and altered mental status or severe headache.
- **Lumbar Puncture** — A diagnostic procedure to collect cerebrospinal fluid (CSF) for analysis, essential for confirming bacterial meningitis but requiring strict infection control during performance.

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