Lv Calculation Formulas (Gibson Method) - GE LOGIQ 500 Advanced Reference Manual

Advanced Cardiac Calculations

LV Calculation Formulas (Gibson Method)

Calc Mnemonic
LVIDd Left Ventricular Internal
Diameter, Diastole
LVIDs Left Ventricular Internal
Diameter, Systole
IVSd Interventricular Septal
Thickness, Diastole
IVSs Interventricular Septal
Thickness, Systole
LVPWd Left Ventricle Posterior
Wall Thickness, Diastole
LVPWs Left Ventricle Posterior
Wall Thickness, Systole
HR Heart Rate (beats/minute)
ET Ejection Time
Table 4–10. Gibson Method Measurement Formulas
4–74
B-Mode
Figure 4–63. Gibson Method Measurements
Calc Name
one distance
one distance
one distance
one distance
one distance
one distance
one 2 beat time interval
one time interval
M-Mode
Input Measurements
LOGIQ 500 Advanced Reference Manual
Formula
LVIDd=d1[cm or mm]
LVIDs=d1[cm or mm]
IVSd=d1[cm or mm]
IVSs=d1[cm or mm]
LVPWd=d1[cm or mm]
LVPWs=d1[cm or mm]
HR[BPM]=120 [sec]/ 2
beat time [sec]
ET=t1[ms or sec]
2276614–100 Rev. 0