Advanced Cardiac Specification Tables; Lv Calculation Formulas (Cubed Method) - GE LOGIQ 500 Advanced Reference Manual

Advanced Cardiac Calculations

Advanced Cardiac Specification Tables

LV Calculation Formulas (Cubed Method)

Calc Mnemonic
SI Stroke Volume Index
CI Cardiac Index
MVCF Mean Vcf
LVM Left Ventricle
Cardiac Mass
Table 4–2. Cubed Method Calculation Formulas
4–66
The following tables show each first layer menu selection with
the measurements and calculations found in it's second layer
menu.
The tables show the mnemonic, a description of that mnemonic
(calc name), input measurements required and formula used.
B-Mode
Figure 4–55. Cubed Method Measurements
Refer to Chapter 10 (Cardiology) of the Basic User Manual for
the following Cubed Method Formulas:
LVIDd, LVIDs, IVSd, IVSs, LVPWd, LVPWs, HR, ET, EdV, EsV,
FS, SV, EF and CO.
Calc Name Input Measurements
body surface area and SV
body surface area and CO
two distances & one time
interval
three distances
M-Mode
SI[ml/m^2]=SV/BSA
CI[ml/min/m^2]=CO/BSA
MVCF[circ/s]=(LVIDd-
LVIDs)/(LVIDd x ET)
LVM[g]=1.04*[(IVSd+
LVPWd+LVIDd)^3–
LVIDd^3]–13.6
LOGIQ 500 Advanced Reference Manual
2276614–100 Rev. 0
Formula