Blood velocity-time integral.diastole:Len:Pt:Mitral valve.annulus:Qn:US.doppler
blood velocity-time integral.diastole:len:pt:mitral valve.annulus:qn:us.doppler
Mitral valve annulus Velocity-time integral during diastole by US.doppler
mitral valve annulus velocity-time integral during diastole by us.doppler