Case presentation A 57-year-old man was in a healthy state until 6 hours before presenting to the emergency department, when he suffered from more than 10 episodes of vomiting after a large meal at lunchtime. On physical examination, vital signs were unremarkable. Tenderness was noted over the epigastrium on palpation. Point-of-care ultrasound (POCUS) of the abdomen is shown in figure 1 and online supplementary video 1.
Question What is the most likely diagnosis?
Hypertrophic pylorus stenosis
Superior mesentery artery (SMA) syndrome
For answer see page 2
- abdomen- non trauma
- emergency department
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Contributors Y-CL (first author) was a major contributor in writing the manuscript. T-YT (corresponding author) revised the manuscript for intellectual content, as well as the figures and the video.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Patient consent for publication Obtained.
Provenance and peer review Not commissioned; externally peer reviewed.