Chison ECO 2 - PW Genearl Measurement

ECO 2 Ultrasound Diagnostic System
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Meas. Menu
Submenu
Unit
Meas. Method/
Meas. Formula
MCA
RI
Formula:SD＝(Vs-Vd)/Vs
PI
Formula:SD＝(Vs-Vd)/VMean
HR(Single wave)
Bpm
6.27 PW GYN Measurement
Press [Calc] to enter PW measurement in PW GYN mode. Or press the corresponding parameter
control key to switch the GYN measurement item.
Meas. Menu
Submenu
Unit
Meas. Method/
Meas. Formula
Umb A
MCA
Uterin A
Fetal AO
Vs
cm/s
Refer to M speed meas.
Pressure(s)
mmHg
Formula:
Pressure＝4×Vs×Vs/10000
Vd
cm/s
Refer to M speed meas.
Pressure(d)
mmHg
Formula:
Pressure＝4×Vd×Vd/10000
VMean
cm/s
Refer to M speed meas.
Pressure(VMean)
mmHg
Formula:
Pressure ＝
4×VMean×VMean/10000
TVI
Cm
SD
Formula:SD＝Vs/Vd
RI
Formula:SD＝(Vs-Vd)/Vs
PI
Formula:SD＝(Vs-Vd)/VMean
HR(Single wave)
Bpm
6.28 PW Cardiology Measurement
Press [Calc] to enter PW measurement in PW cardiology mode. Or press the corresponding
parameter control key to switch the cardiology measurement item.
Meas.
Menu
Submenu
Unit
Meas. Method/
Meas. Formula
LVOT
Peak Velocity
cm/s
Refer to M speed meas.
Peak Pressure
mmHg
Formula:
Pressure ＝ 4×Peak Velocity×Peak Velocity
/10000