A 6-month-old has two days of cough, wheeze, nasal flaring and feeding difficulty in winter. What is the most likely diagnosis?
Answer and explanation
Correct answer: D. Bronchiolitis
- Step 1: Bronchiolitis is a viral lower respiratory infection in infants, most often caused by RSV.
- Step 2: Treatment is supportive with oxygen and feeding support.
Answer
Bronchiolitis.
Why not the others: 'Croup' presents with barking cough and stridor; 'Epiglottitis' presents with drooling and toxicity; 'Foreign body aspiration' starts suddenly during play or eating.
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