AssessmentsTransient tachypnea of the newborn
Transient tachypnea of the newborn
USMLE® Step 1 style questions USMLE
USMLE® Step 2 style questions USMLE
A one-hour-old male infant delivered via Cesarean section at term has nasal flaring, tachypnea, and intercostal retractions. Chest X-ray shows perihilar interstitial markings. The patient is started on intravenous (IV) fluids and supplemental oxygen. Over the next 48 hours, the oxygen is discontinued and the patient’s oxygen is 99% at room air, respiratory rate is 45/min, and chest X-ray shows no abnormalities. Which is the most likely diagnosis in this patient?