M-Mode Analysis - Tricuspid Valve (M-Tv) - GE LOGIQ 500 Advanced Reference Manual

M-Mode Analysis – Tricuspid Valve (M-TV)
Calc Mnemonic
TV_EF Tricuspid Valve E-F
Velocity
TV_DE Tricuspid Valve D-E
Amplitude
TV_CE Tricuspid Valve C-E
Amplitude
TV_AC Tricuspid Valve A-C
Interval
P-R P-R Interval
HR Heart Rate (beats/minute)
TV-A/E Tricuspid Valve A/E Ratio
TPR-AC Tricuspid Valve PR-AC
Interval
.
LOGIQ 500 Advanced Reference Manual
2276614–100 Rev. 0
D
P
R
Figure 4–75. M-TV Measurements
Calc Name Input Measurements
one slope
one distance
one distance
one time interval
one time interval
one 2 beat time
interval
one distance (TV<D-E>)
two time intervals
Table 4–23. Tricuspid Valve (M-TV)
TV_AC measurement calculates D_AC simultaneously.
TV_DE, TV_EF, TV_AC and TV_CE measurement results
should be performed through the slope measurement.
Advanced Cardiac Calculations
E
A
F
C
TV_EF=v1[cm/s or m/s]
TV_DE=d1[cm or mm]
TV_CE=d1[cm or mm]
TV_AC=t1[msec or sec]
P-R=t1[msec or sec]
HR[BPM]=120 [sec]/ 2
beat time [sec]
TV-A/E[%]= (D<TV_AC>/
TV_DE) x 100
TPR-AC[ms or sec]= P-R
- TV_AC
RVOT
ATL
RA
RAPW
PCG
ECG
Formula
4–87