Pediatrics A6 month old child with Tetralogy of Fallot develops cyanotic spell initiated by crying. Which one of the following drugs you would like to avoid – A Sodium bicarbonate B Propranolol C Phenylephrine D Isoprenaline 💡 Explanation A6 month old child with Tetralogy of Fallot develops cyanotic spell initiated by crying. Which one of the following drugs you would like to avoid – ✓ Correct Answer: D. Isoprenaline