Heart Failure USMLE Step 1 Practice Question
A full term newborn develops profound cyanosis within hours of birth. The infant of a mother with poorly controlled diabetes remains severely hypoxemic despite supplemental oxygen. Echocardiography shows the aorta arising from the right ventricle and the pulmonary artery arising from the left ventricle. Which of the following is the most appropriate initial pharmacologic intervention?
Answer choices
- AIbuprofen
- BEpinephrine
- CFurosemide
- DProstaglandin E1 infusionCorrect answer
- EIndomethacin
- FSildenafil
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