Use of emergency ultrasound in the diagnostic evaluation of an infant with vomiting.

The use of bedside emergency ultrasound in pediatric abdominal emergencies is becoming more widespread and can be a useful adjunct in the assessment of children who present with abdominal pain. Our case describes an infant who presented to the emergency department with vomiting, in whom an emergency ultrasound evaluation led to timely diagnosis and intervention of an unanticipated condition.