Regurgitant fraction:VFr:Pt:Aortic valve:Qn:US.doppler+Calculated by PISA method
regurgitant fraction:vfr:pt:aortic valve:qn:us.doppler+calculated by pisa method
Regurgitant fraction:Volume Fraction:To identify measures at a point in time:Aortic valve:Quantitative:Ultrasound.doppler+Calculated by PISA method
regurgitant fraction:volume fraction:to identify measures at a point in time:aortic valve:quantitative:ultrasound.doppler+calculated by pisa method