27th September 2021

A 2-hour-old female newborn had shortness of breath and bluish discolouration

A 2-hour-old female newborn had shortness of breath and bluish discolouration, with no response to oxygen via nasal cannulae. She was delivered by normal vaginal delivery at 39 weeks gestation. The mother is 42 years old, denied all prenatal care but reported pregnancy as uncomplicated. On examination, the patient is in respiratory distress with perioral discolouration. In addition, a holosystolic murmur was heard at the lower left-sternal border. Which of the following is the most likely diagnosis?

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