Blalock and Taussig shunt is done between:: (A) Aoa to pulmonary aery, (B) Aoa to pulmonary vein, (C) Subclan aery to pulmonary aery, (D) Subclan vien to aery
Answer is C. Blalock Taussig shunt is done between subclan aery and pulmonary aery. It is a palliative surgical procedure done in patients with TOF. In this procedure, a systemic aery is anastomosed with pulmonary aery, which inturn increase the pulmonary blood flow and increase the amount of oxygenated blood reaching the systemic circulation. Ref: Essential Pediatrics, 6th Edition By O P Ghai, Page 409.