GE LOGIQ 500 Advanced Reference Manual page 141

Doppler Analysis – Tricuspid Valve (D-TV) (cont'd)
Calc Mnemonic
PkFVI Peak Flow Velocity Integral one velocity, one time in-
MeanFV Mean Flow Velocity
MaxPG Maximum Pressure
Gradient
MeanPG Mean Pressure
Gradient
SV Stroke Volume
SI Stroke Volume Index
CO Cardiac Output
CI Cardiac Index
LOGIQ 500 Advanced Reference Manual
2276614–100 Rev. 0
Calc Name Input Measurements
terval
one velocity, one time in-
terval
two velocities
flow velocities
flow velocities, one dis-
tance
body surface area and SV
flow velocities, one dis-
tance and one time interval
body surface area and CO
Table 4–28. Tricuspid Valve (D-TV) (cont'd)
Advanced Cardiac Calculations
PkFVI[cm/s or m/s]=
1.14 x PFVTV x
ET/20+0.3
MeanFV[cm/s or m/s]=FVI/
t<FVI>
MaxPG[mmHg]=
4 x (PFV-TV^2)
MeanPG[mmHg]=
n
4 x Σ (V^2/n)
i=1
SV[ml]=(π/4) x FVI x
(TAML)^2
SI[ml/m^2]=
SV/BSA
CO[1/min]=
SVxHR/1000
CI[ml/min/m^2]=
CO/BSA
Formula
4–95