A 3-Year-Old Boy Is Brought to the Emergency Department with Breathing

A 3-year-old boy is brought to the emergency department with breathing difficulty and drooling that have worsened rapidly over the last 8 hours.  He has no chronic medical conditions.  Temperature is 39.4 C (102.9 F) .  Examination shows a toxic-appearing patient leaning forward while sitting on the bed; he has inspiratory stridor and suprasternal retractions.  There are pooled oral secretions, and the patient is unable to swallow.  Which of the following is the greatest risk factor for this patient's condition?

A) Foreign body aspiration
B) History of food allergy
C) Incomplete vaccination series
D) Recent international travel
E) Secondhand smoke exposure

Correct Answer:

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