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
Infective endocarditis is rarely seen in: 
Select and explain. 
A. VSD, B. ASD, C. PDA, D. RHD
B: ASD
Answer: B: ASD 
Explanation: b. ASD(Ref: Nelson's 20/e p 2263-2268, Ghai 8/e p 443)Risk of infective endocarditis in various lesions:High riskModerate riskLow risk* Prosthetic heart valve* Tetralogy of Fallot* PDA* AR* AS* VSD* MR* Coarctation of aorta* Mitral valve prolapse with MR* TS* TR* PS* MS* Mitral valve prolapse* ASD