Chison ECO 6, Руководство по эксплуатации

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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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