23rd September 2021

A 4-year-old male is brought in to the emergency department with worsening shortness of breath

A 4-year-old male is brought in to the emergency department with worsening shortness of breath over the last few days. He has no cough or fever. There is no significant past medical or family history. On examination, there is an ejection systolic murmur and radio-femoral delay, with weak femoral pulses. He is admitted to hospital, and an echocardiogram shows a narrowed segment in the aorta. An operation is performed to repair this defect.

Which of the following is the most appropriate next step in management?

Select the SINGLE most appropriate option from the list below. Select ONE option only.