Doppler Analysis - Tricuspid Valve (D-Tv) - GE LOGIQ 500 Advanced Reference Manual

Advanced Cardiac Calculations
Doppler Analysis – Tricuspid Valve (D-TV)
Calc Mnemonic
TAML Tricuspid Annulus Medial-
Lateral Dimension, Systole
FVI Flow Velocity Integral
PFVTV Peak Flow Velocity at Tri-
cuspid Valve
PFVRA Peak Flow Velocity at
Right Atrial
ET Ejection Time
PHT Pressure Half Time
HR Heart Rate (beats/minute)
AccT Flow Acceleration Time
DecT Flow Deceleration Time
4–94
V
p
2
Figure 4–79. D-TV Measurements
Calc Name Input Measurements
one distance
flow velocities
one velocity
one velocity
one time interval
one time interval
one 2 beat time interval
two time intervals
two time intervals
Table 4–27. Tricuspid Valve (D-TV)
P
a
d
e
s
TAML=d1[cm or mm]
FVI[mm or cm]= sVdt
PFVTV=v1[cm/s or m/s]
PFVRA=v1[cm/s or m/s]
ET=t1[ms or sec]
PHT=t1[ms or sec]
HR[BPM]=120 [sec]/ 2
beat time [sec]
AccT[msec or sec]=
t<PFVTV>-ts<ET>
DecT[msec or sec]=
te<ET>-t<PFVTV>
LOGIQ 500 Advanced Reference Manual
F
O
R
Formula
2276614–100 Rev. 0