Dysfunction of one of the cardiac valves with incomplete valve closure resulting in valvular regurgitation.
Narrowing of the opening of one or more of the four valves of the heart.
Regurgitation of the blood of the heart valves owning to imperfect closing, insufficiency or incompetency of the valves.
Congenital diverticulum of left ventricle
Congenital malformation of myocardium
Congenital malformation of pericardium
Malposition of heart
Uhl’s disease