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Volume
EF
Ejection
Fraction
EF=100%
×
SV(ml)/EDV(ml)
SI
Stroke
Volume Index
SI=SV(ml)/BSA
(
)
CO
Cardiac
Output
CO(l/min)=SV(ml)
×
HR(bpm)/1000
CI
Cardiac Index CI=CO(l/min)/BSA
(
)
8.5.3.3 Left Ventricle Mass Weight
LV mass weight can be calculated by measuring LVPWd, IVSTd and LVIDd.
Steps:
1.
Press the Measure key in the real time or frozen B/Color/PDI mode, and the measurement menu
displays
on the top left of the screen.
2.
Select [LVMW] on the menu by moving the trackball and press Set to confirm. A marker displays
on the
image.
3.
Perform the LVPWd IVSTd LVIDd measurements one by one and the measurement results
displays
in the result box.
Measurement
Item
Measurement
Sub-item
Description
Measurement
Method
LVPWd
LV posterior wall
thickness at end
diastole
LVSTd
Interventricular septal thickness at
end diastole
Refer to Section
8.4.1.1 Distance.
Left Ventricle
Mass Weight
LVIDd
LV internal dimension
at end diastole
Refer to Section
8.4.1.1 Distance.
The system automatically calculates the following items according to the measurement results.
Calculation Item Description
Formula
LVMW
Left Ventricle Mass Weight
LVMW(g) =1.04
×
-
)-13.6
LVMWI
Left Ventricle Mass Weight Index
LVMWI = LVMW(g) / BSA( )
You should input the height and weight on the PatientInfo screen before performing the LVMW
measurement. Otherwise, LVMWI cannot be calculated.
8.5.3.4 Inner Diameter of Right Ventricle End Diastole
Steps:
1.
Press the Measure key in the real time or frozen B/Color/PDI mode, and the measurement menu
displays
on the top left of the screen.
2.
Select [RV] on the menu by moving the trackball and press Set to confirm. A marker displays on
the
image.
3.
Perform a distance measurements and the measurement results displays in the result box.