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
PGE causes worsening in infant with ? 
Select and explain. 
A. PS without VSD, B. Hypoplastic left hea syndrome, C. Pulmonary stenosis, D. TGA with intact ventricular septum
A: PS without VSD
Answer: A: PS without VSD 
Explanation: In patient with Pulmonary stenosis without VSD , PGE cause worsening. Ref : Ghai essential of pediatrics, eighth edition, p.no:433