Chison ECO 6 - Page 93

ECO 6 Digital Color Doppler Ultrasound System
80
Meas. Menu
Submenu
Unit
Meas. Method/
Meas. Formula
Comment
Pressure(d)
mmHg
Formula:
Pressure ＝
4×Vd×Vd/10000
SD
Formula:SD＝Vs/Vd
RI
Formula:SD ＝
(Vs-Vd)/Vs
Time
s
Refer to M time meas.
HR(Single
Wave)
Single wave
Time
Bpm
s
Refer to M HR meas.
Ratio(Distance)
Refer to Distance Meas.
Formula: R=D1/D2
D1: First
Distance
D2: Second
Distance
Area
Auto
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(VM
ean)
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
Ratio( Area)
cm
2
Refer to ellipse Meas.
Formula: R=A1/A2
A1: First
Area
A2: Second
Area
AutoCubicSpli
ne
cm
2
Refer to Trace Meas.
Ellipse
cm
2
Refer to Ellipse Meas.
Trace
cm
2
Refer to Trace Meas.
Volume
Volume(1Dista
nce)
ml
Refer to Distance Meas.
Formula: V=(π/6)*D
3
D means:
Depth
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