8th March 2024

A 28-year-old woman presents with progressive shortness of breath to the emergency department.

A 28-year-old woman presents with progressive shortness of breath to the emergency department. Her admission observations are: temperature 37 degrees Celsius, respiratory rate 30 breaths per minute, saturation 84 % on room air, heart rate 124 and blood pressure 98/56 mmHg. Clinical examination reveals central cyanosis, clubbing and a pansystolic murmur. She has no past surgical history. What is the likely aetiology? 

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