GE Logiq 500, Расширенное справочное руководство

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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)