Chison ECO 2 - M Urology Measurement; M Small Parts Measurement; M Pediatric Measurement; PW Mode Measurement Methods

ECO 2 Ultrasound Diagnostic System
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Meas. Menu
Submenu
Unit
Meas. Method/
Meas. Formula
Comment
RI
Formula:SD＝(Vs-Vd)/Vs
Time
S
Refer to M time meas.
Auto
Trace/Manual
Trace
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
StD%
Distance1
Cm
Refer to B distance meas.
Distance2
Cm
Refer to B distance meas.
StD%
%
Formula:
StD% ＝
((D1-D2)÷D1)×100%
D1:Distance1,
D2:Distance2
StA%
Area1
cm
2
Refer to B ellipse meas.
Area2
cm
2
Refer to B ellipse meas.
StA%
%
Formula:
StA% ＝
((A1-A2)÷A1)×100%
A1:Area1,A2:Area2
ICA/CCA
ICA
cm/s
Refer to M speed meas.
Pressure(ICA)
mmHg
Formula:
Pressure ＝
4×ICA×ICA/10000
CCA
cm/s
Refer to M speed meas.