A 2-day-old neonate has severe metabolic acidosis, poor perfusion, and absent femoral pulses. Echocardiogram shows a severely hypoplastic aortic arch

Question

A 2-day-old neonate has severe metabolic acidosis, poor perfusion, and absent femoral pulses. Echocardiogram shows a severely hypoplastic aortic arch with a closing ductus arteriosus. What is the most critical intervention?

Accepted Answer

Prostaglandin E1 infusion

Answer

IV sodium bicarbonate

Answer

IV adrenaline

Answer

Immediate surgical repair

Answer

IV fluid bolus 20 mL/kg

Critical Coarctation with Duct Closure — RACP Paediatrics MCQ

A 2-day-old neonate has severe metabolic acidosis, poor perfusion, and absent femoral pulses. Echocardiogram shows a severely hypoplastic aortic arch with a closing ductus arteriosus. What is the most critical intervention?