USMLE Step 1 - Question 7

A 2 day old full term male infant is noted to have a systolic and diastolic continuous murmur at the right upper sternal border. His vital signs are normal and he is overall doing well. Which of the following interventions should be done at this time?

A. Administration of a diuretic

B. Administration of indomethacin

C. Surgical ligation

D. Observation