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Difficulty: MediumNeonatal Disorders

A 26-day-old male infant is brought to the pediatric emergency department by his parents due to rapid breathing, poor feeding, and a persistent cough for the past 48 hours. He was born at 38 weeks gestation via uncomplicated spontaneous vaginal delivery. The parents also express concern because the infant does not yet display a social smile or coo. Vital signs show a temperature of 37.5°C (99.5°F), pulse of 165/min, and respirations of 68/min. Pulse oximetry is 91% on room air. Physical examination reveals nasal flaring, prominent intercostal retractions, and diffuse expiratory wheezing with bilateral crackles. Skin examination shows multiple erythematous papules and pustules lacking comedones, strictly confined to his forehead, nose, and cheeks, which the parents say appeared three days ago. A rapid viral respiratory panel is positive for respiratory syncytial virus (RSV). Which of the following is the most appropriate management plan for this patient's current findings?

  1. Admission for supplemental oxygen and supportive respiratory careAnswer
  2. B
    Administration of nebulized albuterol and oral dexamethasone
  3. C
    Admission for intravenous ampicillin and cefotaxime therapy
  4. D
    Initiation of intravenous acyclovir and contact precautions
  5. E
    Supportive respiratory care and referral for developmental delay

Answer

Admission for supplemental oxygen and supportive respiratory care
The most appropriate management for this patient is admission for supplemental oxygen and supportive respiratory care. This 26-day-old infant presents with classic signs of respiratory syncytial virus (RSV) bronchiolitis, compounded by hypoxia (SpO2 91%), which warrants hospital admission for supportive therapy, including supplemental oxygen and nasal suctioning. The facial rash described (papules and pustules lacking comedones) is typical for neonatal cephalic pustulosis, a benign condition that requires no treatment other than gentle cleansing. Furthermore, the parents' developmental concerns are unfounded, as a social smile and cooing are developmental milestones typically reached at around 2 months (6-8 weeks) of age, making his current neurodevelopment entirely normal for a 3-week-old.

Step-by-Step Solution

1
Diagnose the cause of respiratory distress.
The infant is hypoxic (91% on room air), tachypneic, and RSV-positive with wheezing and retractions, indicating severe viral bronchiolitis.
Identifying the primary acute illness dictates the main therapeutic intervention, which for RSV bronchiolitis is purely supportive (oxygen, hydration, suctioning).
2
Evaluate the skin findings.
Erythematous papules and pustules on the face without comedones in a 3-4 week old infant represent neonatal cephalic pustulosis.
Recognizing this benign, self-limited rash prevents unnecessary and invasive infectious workups or antiviral/antibiotic treatments.
3
Assess the neurodevelopmental status.
The absence of a social smile and cooing at 26 days of life is perfectly normal.
A social smile typically develops around 6-8 weeks, and cooing around 2 months. Reassurance is the only necessary step for the parents' concern.

Key Concept

Integrated management of neonatal viral bronchiolitis, benign neonatal rashes, and normal developmental milestones.
Estimated Time:1m 15s
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Topics

Neonatal Disorders

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