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