Pressure gradient.mean:PressDiff:Pt:Mitral valve:Qn:US.doppler
pressure gradient.mean:pressdiff:pt:mitral valve:qn:us.doppler
Pressure gradient.mean:Difference:To identify measures at a point in time:Mitral valve:Quantitative:Ultrasound.doppler
pressure gradient.mean:difference:to identify measures at a point in time:mitral valve:quantitative:ultrasound.doppler