Pediatrics Ductus dependent blood flow is required for all of these congenital hea diseases except A Persistent truncus aeriosus B Hypoplastic left hea syndrome C Pulmonary stenosis D TGA with intact ventricular septum 💡 Explanation Ductus dependent blood flow is required for all of these congenital hea diseases except ✓ Correct Answer: A. Persistent truncus aeriosus