Sonographic upper gastrointestinal series in the vomiting infant: how we do it
Related Experiment Video
Updated: May 28, 2026

Gastric Point of Care Ultrasound in Adults: Image Acquisition and Interpretation
Published on: September 22, 2023
Thaddeus W Herliczek1, Deepak Raghavan, Kathleen McCarten
1Department of Diagnostic Imaging, Warren Alpert School of Medicine, Brown University, RI, USA.
Insights
Sonography is a versatile tool for evaluating infant vomiting. This study shows ultrasound can effectively diagnose both nonbilious and bilious emesis in infants, improving diagnostic capabilities.
Area of Science:
- Pediatric imaging
- Gastroenterology
- Diagnostic ultrasound
Background:
- Nonbilious projectile emesis is typically evaluated with sonography (ultrasound).
- Bilious emesis in infants traditionally requires a fluoroscopic upper gastrointestinal (UGI) series.
- There is a need for efficient and comprehensive imaging techniques for infant emesis.
Purpose of the Study:
- To illustrate the technique of using sonographic UGI series for evaluating infant emesis.
- To demonstrate the application of sonographic UGI series for both nonbilious and bilious emesis.
- To present the results of sonographic UGI series for normal anatomy and common pathologies.
Main Methods:
- Routine use of sonographic UGI series for infants presenting with nonbilious emesis.
- Application of sonographic UGI series for infants presenting with bilious emesis.
- Detailed illustration of the sonographic technique and interpretation.
Main Results:
- Sonography successfully assesses normal upper gastrointestinal anatomy in infants.
- Common pathologies causing infant emesis are identifiable using sonographic UGI series.
- The technique provides reliable diagnostic information for both types of emesis.
Conclusions:
- Sonographic UGI series is a valuable and effective method for evaluating infants with both nonbilious and bilious emesis.
- This technique can potentially replace or supplement traditional fluoroscopic methods.
- Sonography offers a comprehensive approach to diagnosing the causes of infant vomiting.
Abstract:
Sonography (ultrasound) is used routinely to assess an infant with nonbilious projectile emesis. Fluoroscopic upper gastrointestinal (UGI) series has been the standard method to evaluate infants with bilious emesis. We use sonographic UGI routinely to assess infants with nonbilious emesis as well as infants with bilious emesis. This essay illustrates our technique, the results obtained using this technique for normal anatomy, and the commonly encountered pathology.
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