Pediatrics Ductus aeriosus dependent blood flow is mandatory in all of the following congenital hea diseases EXCEPT: A Truncus aeriosus B Hypoplastic left hea syndrome C TGA with Intact ventricular septum D Obliterated aoic arch 💡 Explanation Ductus aeriosus dependent blood flow is mandatory in all of the following congenital hea diseases EXCEPT: ✓ Correct Answer: A. Truncus aeriosus