GE Logiq 500, Расширенное справочное руководство

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Advanced Cardiac Calculations
LOGIQ 500 Advanced Reference Manual
2276614–100 Rev. 0
4–92

Doppler Analysis – Pulmonic Valve (D-PV)
V
p
ROPFV
PAPFV
s
e
P
a
d
F
O
R
2
Figure 4–78. D-PV Measurements
Calc Mnemonic Calc Name Input Measurements Formula
PADs Pulmonary Artery
Diameter at Systole one distance
B-Mode PADs=d1[cm or mm]
FVI-PV Flow Velocity Integral at
Pulmonic Valve one FVI
FVI-PV= Vdt
FVI-PA Flow Velocity Integral at
Pulmonic Aorta one FVI FVI-PA= Vdt
FVI-RV Flow Velocity
Integral at Right Ventricle
Outflow Tract one FVI FVI-RV= Vdt
PFVPA Peak Flow Velocity at Pul-
monic Aorta one velocity PFVPA=v1[cm/s or m/s]
PFVRV Peak Flow Velocity at
Right Ventricle Outflow
Tract one velocity PFVRV=v1[cm/s or m/s]
ET Ejection Time one time interval S–E ET=t1[ms or sec]
PHT Pressure Half Time one time interval PHT=t1[ms or sec]
HR Heart Rate (beats/minute) one 2 beat time
interval HR[BPM]=120 [sec]/ 2
beat time [sec]
PV-A Pulmonic Valve Area by
cont’Eq one distance
two velocities PV-A[cm^2]=
(
π
/4) x (PADs)^2 x PFV-
PA/PFV-RV
AccT Flow Acceleration Time two time intervals AccT[msec or sec]=
t<PFV-PA>-ts<ET>
DecT Flow Deceleration Time two time intervals DecT[msec or sec]=
te<ET>-t<PFV-PA>
Table 4–26. Pulmonic Valve (D-PV)