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A mother takes her 2-week-old infant to the er because the baby regurgitates and vomits after eating and has peristaltic waves visible on the abdomen and a palpable mass in the right upper quadrant. What is your diagnosis?

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1. A mother takes her 2-week-old infant to the er because the baby regurgitates and vomits after eating and has peristaltic waves visible on the abdomen and a palpable mass in the right upper quadrant. What is your diagnosis?





 
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