Chison ECO 3 EXPERT - Page 95

ECO 3 EXPERT Ultrasound Diagnostic System
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Meas.
Menu
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Unit
Meas. Method/
Meas. Formula
Comment
Trace/Manu
al Trace
Pressure(Vs)
mmHg
Formula:
Pressure＝4×Vs×Vs/10000
Vd
cm/s
Refer to M speed meas.
Pressure(Vd)
mmHg
Formula:
Pressure＝4×Vd×Vd/10000
VMean
cm/s
Refer to M speed meas.
Pressure(VMea
n)
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.
Pressure(CCA)
mmHg
Formula:
Pressure ＝
4×CCA×CCA/10000
ICA/CCA
Formula:
ICA/CCA
Flow
Volume
Diam
cm
Refer to B distance meas.
TVI
cm
Time
s
Refer to M time meas.
HR(Single
wave)
bpm
SV
ml
Formula:
0.785* Diam* Diam*|TVI|
CO
l/min
Formula:
SV*HR(Single wave)/1000