Image of the Week: Failure to thrive in a newborn—what's the cause?

A 26-day-old term male infant is brought to the emergency department by his mother because she was concerned about his lethargy and difficulty nursing. She reports that he needs to be awakened to nurse and feeds for just a few minutes at a time. Examination reveals jaundice, a large umbilical hernia, and an increase of 3 oz (85 g) from ...