Pediatrics Which of the following step is least useful in the management of TOF: March 2010 A Anastomosis of a systemic aery with pulmonary aery B Modified Blalock-Taussig shunt C Administer 100% oxygen D None of the above 💡 Explanation Which of the following step is least useful in the management of TOF: March 2010 ✓ Correct Answer: C. Administer 100% oxygen