tga_flashcards
1
Q
What is Transposition of the Great Arteries (TGA)?
A
A form of cyanotic congenital heart disease.
2
Q
What causes TGA?
A
Failure of the aorticopulmonary septum to spiral during septation.
3
Q
Which group of mothers are at an increased risk of having a child with TGA?
A
Children of diabetic mothers.
4
Q
What are the basic anatomical changes in TGA?
A
Aorta leaves the right ventricle, pulmonary trunk leaves the left ventricle.
5
Q
What are the clinical features of TGA?
A
Cyanosis, tachypnoea, loud single S2, prominent right ventricular impulse.
6
Q
How does TGA appear on a chest x-ray?
A
‘Egg-on-side’ appearance.
7
Q
What is the management for TGA?
A
Maintenance of the ductus arteriosus with prostaglandins.
8
Q
What is the definitive treatment for TGA?
A
Surgical correction.
