Effective regurgitant orifice in severe mitral regurgitation is:
a) 0.2 sq cm or more
b) 0.3 sq cm or more
c) 0.4 sq cm or more
d) None of the above
Effective regurgitant orifice in severe mitral regurgitation is:
a) 0.2 sq cm or more
b) 0.3 sq cm or more
c) 0.4 sq cm or more
d) None of the above