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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