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LVMWI
Left Ventricular Mass
Weight
Index
LVMWI = LVMW(g) / BSA(
)
You should input the height and weight before performing the LVMW measurement. Otherwise, LVMWI cannot
be calculated.
8.5.4 Vascular Measurements
Vascular measurements and calculations should be performed in the PW mode.
Steps:
1.
Press the Measure key in the frozen PW mode, and the measurement menu displays on the top
left
of the screen.
2.
Select a measurement item, such as [CCA] on the menu by moving the trackball and press Set to
confirm.
3.
A marker displays on the image. Perform the measurement according to the following table and
the
measurement results displays in the result box.
Measurement Item
Measurement Method
CCA
ICA
ECA
VA
Upper Ext Vein
Lower Ext Vein
Refer to Section 8.4.3.6 Spectrum Trace.
8.5.5 Small Parts Measurements
Small parts measurements and calculations should be performed in the 2D (B/Color/PDI) mode. The
measurements include thyroid and isthmus measurement.
Steps:
1.
Press the Measure key in the real time or frozen 2D (B/Color/PDI) mode, and the measurement
menu
displays on the top left of the screen.
2.
Select [Lt Thyroid] or [Rt Thyroid] on the menu by moving the trackball and press Set
to
confirm.
3.
Perform three distance measurements for the length, width and depth of the thyroid. The system
automatically calculates the volume according to the following formula and the measurement
results displays in the result box.
Thyroid volume = 0.479
×
length
×
width
×
depth