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Pediatrics · Neonatology: respiratory distress syndrome radiology
Sample itemA 29-week preterm develops grunting and retractions at 2 hours of life. The chest radiograph is most likely to show which pattern?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
C. Ground-glass haze with air bronchograms
Respiratory distress syndrome is due to surfactant deficiency and shows a diffuse ground-glass appearance with air bronchograms and low lung volumes. Fluid in the fissure suggests transient tachypnoea.
Option by option
A. Patchy opacities with hyperinflation
Patchy opacities with hyperinflation suggest meconium aspiration.
B. Fluid in the horizontal fissure with prominent vascular markings
This pattern is typical of transient tachypnoea of the newborn.
C. Ground-glass haze with air bronchograms (correct)
Correct. This is the classic RDS picture.
D. Snowman sign
The snowman sign is seen in supracardiac total anomalous pulmonary venous return.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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