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146463 Pediatrics

A 21-year-old woman presents to the emergency room in active labor. She has had no prenatal care, but her last menstrual period was approximately 9 months prior. Her membranes are artificially ruptured, yielding no amniotic fluid. She delivers an 1800-g (4-lb) term infant who develops significant respiratory distress immediately at birth. The first chest radiograph on this infant is shown. After stabilization, the most appropriate next step for this infant is which of the following?

ACardiac catheterization
BRenal ultrasound
CMRI of the brain
DLiver and spleen scan
Pediatrics
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