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
Aortic valve Regurgitant fraction by US.doppler+Calculated by PISA method
aortic valve regurgitant fraction by us.doppler+calculated by pisa method