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Which of the following lab results are suggestive of congenital primary hypothyroidism?

In neonates with polycythemia, the increased red blood cell count:

A 39 1/7 week female infant was delivered by c-section for breech presentation. While examining the infant in the newborn nursery you notice a distinct clunk on the left hip when performing the Barlow maneuver. The concern for developmental hip dysplasia could be supported by which additional exam finding?

Management of an infant with frequent small to moderate emesis and suspected gastroesophageal reflux should include:

An infant presents with abdominal distention and bilious emesis at 18 hours of age. The infant has had decreased interest in feedings since birth and has not stooled. You review the abdominal xray. What is your diagnosis?

A 30 week infant is NPO and receiving TPN. The minimum caloric intake to prevent catabolic metabolism and meet maintenance energy needs is:

An asymptomatic infant who is born to a mother with an active gonorrheal infection should receive:

A 24 hour old term female infant is admitted to the NICU with new onset of poor feeding, emesis, and lethargy in the well baby nursery. On admission her blood sugar is 28 and a BMP shows Na 135, K 4.5, Cl 104, and CO2 13. An arterial blood gas shows pH 7.02, CO2 19, PaO2 80, HCO3 8, and base deficit of -14. What would be the most appropriate next steps in the evaluation of this infant?

A former 27 week AGA infant with a history of a midbrain stroke is now 34 weeks corrected gestational age. He has developed macroglossia and has been diagnosed with failure to thrive due to poor weight gain. He has an elevated TSH with a low T4.  The differential diagnosis for this neonate would be congenital hypothyroidism secondary to:

A full term male infant weighing 3850 grams has a CBC obtained due to maternal fever, positive GBS status, and prolonged rupture of membranes. The infant is well-appearing, in no distress, without clinical signs of sepsis. The WBC and differential are reassuring and incidentally the infant’s Hgb is 22.6 g/dL and Hct is 68%. Which is the most appropriate intervention in the management of this infant?