
Q9 Digital Color Doppler Ultrasound System
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2) Measure [MV V Trace].
3) Measure [MV Diameter
2.
AV
Measurement of aortic valve function is performed by using 2-D-mode and Doppler images.
<<Measurement items>>
Meas. Item name Description [Unit]
Meas. method
LVOT Vel
PW-mode LV out tract flow
velocity [cm/s]
Refer to "Velocity Measurement'.
LVOT PG
PW-mode LV out tract
pressure gradient [mmHg]
Refer to "Velocity Measurement'.
LVOT V General
Meas. Item name Description [Unit]
Meas. method
LVOT VTI
Aortic valve VTI [m]
Refer to “Full trace”
LVOT VM
Aortic valve mean velocity
[cm/s]
Refer to “Full trace”
LVOT VP
Aortic valve maximum
velocity [cm/s]
Refer to “Full trace”
LVOT MPG
Aortic valve mean pressure
gradient [mmHg]
Refer to “Full trace”
LVOT PPG
Aortic valve maximum
pressure gradient[mmHg]
Refer to “Full trace”