CVS - Cyanotic Heart Defects

Question 1

Commonest Cyanotic Heart Defects (3).

Answer 1

3Ts :

1. Tetralogy of Fallot.
2. Transposition of Great Arteries.
3. Tricuspid Atresia.

Question 2

What is atresia?

Answer 2

Where the right-side of the heart is dead-end.

Question 3

Why does cyanosis occur in some Congenital Heart Disease?

Answer 3

Deoxygenated blood enters the systemic circulation - blood can bypass the pulmonary circulation due to a right-to-left cardiac shunt.