A post-dates infant was born with Apgars 1, 2, 5, and 7 and…

A post-dates infant was born with Apgars 1, 2, 5, and 7 and is currently receiving total body cooling for treatment of hypoxic ischemic encephalopathy. On DOL 3, the infant has had no urine output for 18 hours and the serum sodium is 125. What diagnosis do you suspect?

A 2 week old preterm infant weighing 900 grams at birth show…

A 2 week old preterm infant weighing 900 grams at birth shows pneumatosis intestinalis on an abdominal x-ray. A follow-up film is concerning for potential bowel perforation. Metronidazole (Flagyl) is added to the antibiotic regimen. The goal of the additional antibiotic is to provide coverage for: