Advanced Cardiac Calculations
LOGIQ 500 Advanced Reference Manual
2276614–100 Rev. 0
4–93
Doppler Analysis – Pulmonic Valve (D-PV) (cont’d)
Calc Mnemonic
Calc Name
Input Measurements
Formula
PkFVI
Peak Flow Velocity Integral
one velocity and one time
interval
PkFVI[mm or cm]= 1.14 x
PFV-PA x ET/20+0.3
MeanFV
Mean Flow
Velocity
flow velocities and one
time interval
MeanFV[mm or cm]=
FVI/t<FVI>
QP:QS
QP:QS Ratio
two CO
QP:QS=CO(PV)/
CO(AV)
CO
Cardiac Output
flow velocities, one area
(by ellipse, trace or circle)
and one time interval
CO[ml]=
SVxHR/1000
CI
Cardiac Index
body surface area and CO
CI[ml/min/m^2]=
CO/BSA
MaxPG
Maximum Pressure
Gradient
two velocities
MaxPG[mmHg]=
4 x (PFV-PA^2)
MeanPG
Mean Pressure Gradient
flow velocities
MeanPG[mmHg]=
n
4 x
Σ
(V^2/n)
i=1
SV
Stroke Volume
flow velocities
RVOTA of PLAX–AV
SV[ml]=FVI–PV x RVOTA
SI
Stroke Volume Index
body surface area and SV
SI[ml/m^2]=SV/BSA
Table 4–26. Pulmonic Valve (D-PV) (cont’d)
Summary of Contents for Logiq 500
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