This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Pediatrics
[{'content': 'PGE causes worsening in infant with ? \nSelect and explain. \nA. PS without VSD, B. Hypoplastic left hea syndrome, C. Pulmonary stenosis, D. TGA with intact ventricular septum', 'role': 'user'}, {'content': 'Answer: A \nExplanation: In patient with Pulmonary stenosis without VSD , PGE cause worsening. Ref : Ghai essential of pediatrics, eighth edition, p.no:433', 'role': 'assistant'}]