Chison Q9 - Measurement in PW Mode

Q9 Digital Color Doppler Ultrasound System
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11. AO/LV
<<Items to be measured>>
<<Items to be calculated>>
12. LVOT
LVOT Diam:According to the left ventricular outflow tract diameter ， automatically calculated left
ventricular outflow area.
Left ventricular outflow tract diameter measurement method refer to” M distance "
13. TV
R-R interval：Select one or two cycles, automatically calculate the R-R interval, the measurement method
refer to” M Time "
14. PulV
R-R interval：Select one or two cycles, automatically calculate the R-R interval, the measurement method
refer to” M Time "
5.3.3 Measurement in PW mode
ET
Ejection time[ms]
M Time
RVOTD
Diameter of right ventricular
outlet[mm]
M
distance
Meas. item name
Description [Unit]
Meas. Method
AO Root
Aorta diameter[mm]
M distance
LA Diam
Left ventricular diameter[mm]
M distance
LVOT Diam
Diameter of mitral valve[mm]
M distance
Calc. item name
Description [Unit]
Calc. formula
LA/AO
Ratio between left artrium and
aorta
LAD/AOD