Vena contracta diameter.systole:Len:Pt:Mitral valve:Qn:US.2D+doppler
vena contracta diameter.systole:len:pt:mitral valve:qn:us.2d+doppler
Mitral valve Vena contracta diameter during systole by US.2D+doppler
mitral valve vena contracta diameter during systole by us.2d+doppler