A 3-week-old boy, born at 31 weeks gestation, is brought to the ED with lethargy and poor feeding. There has been one episode of dark green vomiting and blood-streaked stool.
HR 180 bpm, RR 60/min, Temp 35.6°C. He is mottled and hypotonic. The abdomen is markedly distended, tense, with shiny skin. Bowel sounds are absent.
An urgent abdominal X-ray is performed. What is the most characteristic radiological finding expected?
A
Double bubble sign
B
Pneumatosis intestinalis
C
Stepladder fluid levels
D
Classic coffee bean
E
Prominent target sign