On chest radiograph, bronchiolitis commonly shows which finding?

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Study for the Neonatal and Pediatric Respiratory Care Test. Prepare with interactive questions, hints, and explanations to boost your confidence and ace the exam!

Multiple Choice

On chest radiograph, bronchiolitis commonly shows which finding?

Explanation:
Hyperinflation is the hallmark radiographic finding in bronchiolitis because inflammation and mucus plugging narrow the small airways in young infants, causing air trapping during expiration. This leads to increased lung volumes on the chest X-ray, often with flattened diaphragms and sometimes with peribronchial thickening or patchy subsegmental atelectasis. The other findings listed don’t fit bronchiolitis: pneumothorax would show air collection and a visible pleural line, a large pleural effusion would blur or obscure the costophrenic angles, and cavitation is not typical of bronchiolitis.

Hyperinflation is the hallmark radiographic finding in bronchiolitis because inflammation and mucus plugging narrow the small airways in young infants, causing air trapping during expiration. This leads to increased lung volumes on the chest X-ray, often with flattened diaphragms and sometimes with peribronchial thickening or patchy subsegmental atelectasis. The other findings listed don’t fit bronchiolitis: pneumothorax would show air collection and a visible pleural line, a large pleural effusion would blur or obscure the costophrenic angles, and cavitation is not typical of bronchiolitis.

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