23rd September 2021

A male infant is taken to his general practitioner (GP) for a newborn health check

A male infant is taken to his general practitioner (GP) for a newborn health check. The infant was born at 39 weeks via a spontaneous vaginal delivery, and there were no complications during the pregnancy or delivery. There is no significant family history. Of note on examination, there is an ejection systolic murmur and a significant difference in systolic blood pressure between the upper and lower extremities. There are no further abnormalities on examination.

Which of the following is the most likely underlying diagnosis?

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