Cardiology 6-25
Study Results
Tools Descriptions Formulae
LV Mass (Cube) Left Ventricular Mass
LV Mass (g) = 1.04 × ((LVPWd(cm) + IVSd(cm) +
LVIDd(cm))
3
- LVIDd(cm)
3
) - 13.6
LV MASS-I (Cube)
Index of Left
Ventricular Mass
See LV Mass-I formula in “Left Ventricular Mass (LV
Mass)”
Operating Procedures
1. Select [LV Mass (Cube)] in the measurement menu.
2. At end diastole, measure the following parameters:
IVSd
LVIDd
LVPWd
The LV Mass (Cube) is calculated.
If height and weight have been input already, LV Mass-I(Cube) is calculated.
LV Mass (A-L)
Study Items
Tools Descriptions Operations
LVAd sax Epi
Left Ventricular Epicardial Area at Papillary
Muscle level at end-diastole in Short-axis view
Area in 2D General
Measurements
LVAd sax Endo
Left Ventricular Endocardial Area at Papillary
Muscle level at end-diastole in Short-axis view
LVLd apical
Left Ventricular Long-axis Length at End-
diastole in apical view
Distance in 2D General
Measurements
Study Results
Tools Descriptions Formulae
LV Mass (A-L) Left Ventricular Mass *1
LV MASS-I (A-L)
Index of Left
Ventricular Mass
See LV Mass-I formula in “Left Ventricular Mass (LV
Mass)”
*1 means:
LVL(cm)))(cm Endosax LVAd-
t(cm))apical(cm) (LVLd )Epi(cmsax LVAd ( 5/61.05 Mass(g) LV
2
2
×
+×××=
Where,
))/Endo(cmSax (LVAd - ) /)Epi(cmsax (LVAd (cm)t
22
ππ
=
Operating Procedures
1. Select [LV Mass (A-L)] in the measurement menu.
2. In long-axis view at end diastole, measure LVLd apical；
3. In short-axis view at papillary muscle level at end diastole, measure the following parameters:
Endocardium area: LVAd sax Endo;
Epicardium area: LVAd sax Epi
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