27th September 2021

A 2-day old female is brought into the paediatric emergency department due to respiratory distress

A 2-day old female is brought into the paediatric emergency department due to respiratory distress as well as a blue tint noted around her lips. She was born via C section after an uncomplicated pregnancy. On examination, the patient is afebrile, and her pulse is 160bpm, respiration rate is 70/min. SpO2 is 89% on nasal cannulae. A holosystolic murmur is heard at the left lower sternal border. An echocardiogram revealed defects in the interatrial septum with hypoplasia of the right ventricles noted. Further evaluation of this patient is most likely to show which of the following?

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