Doppler Analysis - Pulmonic Valve (D-Pv) - GE LOGIQ 500 Advanced Reference Manual

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