USMLE Step 1 - Question 50

An infant becomes cyanotic soon after birth. Emergent echocardiogram reveals the aorta originating from the right ventricle and the pulmonary artery originating from the left ventricle. Which of the following interventions can be done to improve the cyanosis until surgical correction is performed?

A. Prostaglandin E2

B. Hyperbaric oxygen administration

C. Indomethacin

D. No intervention is needed