High risk lesions for Infective Endocarditis are all except:-
High risk lesions for IE requiring antibiotic prophylaxis for surgical procedures:- 
i. Prosthetic heart valves.
ii. Prior endocarditis.
iii. Unrepaired cyanotic congenital heart disease(CCHD).
iv. Completely repaired CCHD during the 6 months after repair.
v. Incompletely repaired CCHD with residual defects - Valvulopathy developing after cardiac transplantation.
Prosthetic heart valves
Prior history of infective endocarditis
Aortic regurgitation
Complex cyanotic congenital heart disease