Blood velocity-time integral:Len:Pt:Mitral valve.annulus:Qn:US.calculated
blood velocity-time integral:len:pt:mitral valve.annulus:qn:us.calculated
Blood velocity-time integral:Len:Pt:Mitral valve.annulus:Qn:US.calculated
blood velocity-time integral:len:pt:mitral valve.annulus:qn:us.calculated