Siemens ACUSON Cypress Operator's Manual page 161

Formulas (Cardiac)
2D
TABLE 29.
Type Formula
Fractional
% FT
Thickening–
Interventricu-
IVSs is Interventricular Septum in systole.
lar Septum
IVSd is Interventricular Septum in diastole.
(% FT)
Fractional
% FT
Thickening–
Left Ventricular
LVPWs is Left Ventricular Posterior Wall in systole.
Posterior Wall
LVPWd is Left Ventricular Posterior Wall in diastole.
(% FT)
ACUSON Cypress™ Operator's Manual
⎛ ⎞
IVSs IVSd –
•
= ------------------------------ 100
⎝ ⎠
IVSd
⎛ ⎞
LVPWs LVPWd –
•
= -------------------------------------------- -
⎝ ⎠
LVPWd
Cardiac Formulas and References
100
Units
%
%
6-17