A 6-week-old girl is brought to the GP for a well-child examination. Her parents have no concerns about her breastfeeding habits and growth. She is at the 30th percentile for length and 35th percentile for weight. Examination shows a blowing holosystolic murmur along the left sternal border. Which of the following is the most likely diagnosis?
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Cut-to-the-chase Answer (0:54):
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HY USMLE Answer (8:08):