Pre ejection time:Time:Pt:Heart.ventricle.right:Qn:US.doppler+ECG
pre ejection time:time:pt:heart.ventricle.right:qn:us.doppler+ecg
Pre ejection time:Time:To identify measures at a point in time:Heart.ventricle.right:Quantitative:Ultrasound.doppler+ECG
pre ejection time:time:to identify measures at a point in time:heart.ventricle.right:quantitative:ultrasound.doppler+ecg