Velocity-time integral.left ventricular outflow tract/velocity-time integral.aortic valve:LenRto:Pt:Heart:Qn:US.doppler
velocity-time integral.left ventricular outflow tract/velocity-time integral.aortic valve:lenrto:pt:heart:qn:us.doppler
Velocity-time integral.left ventricular outflow tract/velocity-time integral.aortic valve:LenRto:Pt:Heart:Qn:US.doppler
velocity-time integral.left ventricular outflow tract/velocity-time integral.aortic valve:lenrto:pt:heart:qn:us.doppler