How is a Blalock-Taussig shunt performed?

Correct option is D

Ans. (d) Sol. The Blalock-Taussig shunt is a surgical procedure used in pediatric cardiology for the treatment of cyanotic congenital heart defects. It involves the anastomosis (connection) of the subclavian artery to the right pulmonary artery, helping to improve blood flow to the lungs.
Explanation of each option:
· (a) Anastomosis of the ascending aorta and right pulmonary artery – Incorrect. This is not part of the Blalock-Taussig shunt procedure.
· (b) Anastomosis of the upper descending aorta and left pulmonary artery – Incorrect. This is not associated with the Blalock-Taussig shunt.
· (c) Anastomosis of the superior vena cava and left pulmonary artery – Incorrect. This is not part of the Blalock-Taussig shunt procedure.
· (d) Anastomosis of the subclavian artery and right pulmonary artery – Correct. The Blalock-Taussig shunt creates a direct connection between the subclavian artery and the right pulmonary artery to increase pulmonary blood