Chison ECO 6 - PW ob Measurement; PW GYN Measurement

ECO 6 Digital Color Doppler Ultrasound System
84
6.26 PW OB Measurement
Press [Calc] to enter PW measurement in PW OB mode. Or press the corresponding parameter control key to
switch the OB measurement item.
Meas. Menu
Submenu
Unit
Meas. Method/
Meas. Formula
Comment
Umb A
Aorta,
Descending
Uterine
Artery(Lt),
Uterine
Artery(Rt),
Pulmonary
Artery,
MCA
Duct Veno
FHR
Vs
cm/s
Refer to PW Trace Meas.
Pressure(s)
mmHg
Formula:
Pressure=4*Vs*Vs/10000
Vd
cm/s
Refer to PW Trace Meas.
Pressure(d)
mmHg
Formula:
Pressure=4*Vd*Vd/10000
VMean
cm/s
Refer to PW Trace 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
6.27
6.27
6.27
6.27
6.27
6.27
6.27
6.27
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
Comment
Umb A
MCA
Lt/Rt Uterin
A
Fetal AO
Vs
cm/s
Refer to M
speed meas.
Pressure(s)
mmHg
Formula:
Pressure ＝
4×Vs×Vs/1000
0
Vd
cm/s
Refer to M
speed meas.
Pressure(d)
mmHg
Formula:
Pressure ＝
4×Vd×Vd/1000
0
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