Acceleration:Time:Pt:Aortic valve:Qn:US.doppler
acceleration:time:pt:aortic valve:qn:us.doppler
Acceleration:Time:To identify measures at a point in time:Aortic valve:Quantitative:Ultrasound.doppler
acceleration:time:to identify measures at a point in time:aortic valve:quantitative:ultrasound.doppler