Symptoms & Signs
- Upper abdominal swelling may or may not be present
- Early vomiting of large amounts, which may be greenish (containing bile)
- Continued vomiting even when infant has not been fed for several hours
- Absent urination after first few voidings
- Absent bowel movements after first few meconium stools
Diagnosis & Tests
A fetal ultrasound may show excessive amounts of amniotic fluid in the womb, a condition called polyhydramnios. It may also show swelling of the baby’s stomach and part of the duodenum.
An abdominal x-ray may show air in the stomach and first part of duodenum, with no air beyond that. This is known as the double-bubble sign.
Review Date : 5/12/2009
Reviewed By : Neil K. Kaneshiro, MD, MHA, Clinical Assistant Professor of Pediatrics, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
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