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Difficulty: MediumPediatric Respiratory Disorders

A 30-month-old male is evaluated at an urgent care center due to a sudden onset of breathing difficulty. According to his caregiver, the toddler was eating mixed nuts in the kitchen when he experienced a severe choking episode. Although the violent choking subsided after several minutes, a persistent, dry cough and rapid breathing have continued. The patient has no significant past medical history and his immunizations are up to date. On physical examination, the child appears mildly distressed but is alert and appropriately interactive. His temperature is 37.1°C (98.8°F), pulse is 138/min, and respirations are 42/min. Oxygen saturation is 94% on room air. Pulmonary auscultation reveals diminished breath sounds over the right hemithorax and localized expiratory wheezing. An expiratory anteroposterior chest radiograph demonstrates hyperlucency of the right lung field and deviation of the mediastinal structures to the left. Which of the following is the most appropriate next step in the management of this patient?

  1. A
    Admission for observation and supplemental oxygen
  2. B
    Computed tomography of the chest
  3. Rigid bronchoscopyAnswer
  4. D
    Administration of inhaled albuterol and corticosteroids
  5. E
    Intravenous ceftriaxone therapy

Answer

Rigid bronchoscopy
This patient's sudden onset of choking followed by a persistent cough, unilateral decreased breath sounds, and localized wheezing strongly suggests a foreign body aspiration (FBA). The expiratory chest radiograph confirms this by demonstrating a 'ball-valve' effect: the right mainstem bronchus dilates enough during inspiration to allow air in, but constricts during expiration, trapping the air. This leads to right-sided hyperlucency and pushes the mediastinum to the contralateral (left) side. Because the child is symptomatic and has clear radiographic evidence of an obstruction, the most appropriate next step is prompt extraction of the object. Rigid bronchoscopy is the procedure of choice in children because it provides excellent airway control, wide visualization, and accommodates the instruments necessary for safe foreign body removal.

Step-by-Step Solution

1
Identify the primary clinical syndrome from the history and physical examination.
The patient has a classic history of sudden-onset choking while eating nuts, followed by unilateral diminished breath sounds and localized wheezing.
These findings are highly suggestive of a lower airway foreign body aspiration, most commonly lodging in the right mainstem bronchus.
2
Interpret the radiographic findings.
The expiratory chest radiograph shows right lung hyperlucency and leftward mediastinal shift.
This confirms a ball-valve effect, where air enters the right lung during inspiration but is trapped behind the foreign body during expiration.
3
Determine the definitive therapeutic intervention.
Immediate procedural intervention is required to remove the object.
Rigid bronchoscopy is the gold standard for both diagnosing and safely extracting aspirated foreign bodies in children.

Key Concept

Diagnosis and management of pediatric foreign body aspiration
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Topics

Pediatric Respiratory Disorders

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