Cardiovascular · UKMLA & AKT
Transposition of the great arteries
A free high-yield preview for the UKMLA Applied Knowledge Test. Below are the key points to recognise transposition of the great arteries — the full SA Note notes add investigations, management, complications and 10 practice questions.
Key high-yield points
- TGA = aorta arises from the right ventricle; pulmonary artery from the left ventricle - two parallel, non-communicating circulations
- Most common cause of cyanosis in the first 24 hours of life
- Survival depends on mixing via PDA, ASD, or VSD - maintaining these is the entire focus of acute management
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