Original file (WebM audio/video file, VP9/Vorbis, length 5 min 1 s, 1,920 × 1,080 pixels, 774 kbps overall)
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Summary
DescriptionHypertrophic pyloric stenosis.webm
English: What is hypertrophic pyloric stenosis (HPS)? HPS is a congenital condition where a baby is born with a normal size pylorus, but over the first few weeks it grows in size such that it obstructs the pyloric sphincter.
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