M-Mode Analysis - Mitral Valve (M-Mv) - GE LOGIQ 500 Advanced Reference Manual

Advanced Cardiac Calculations
M-Mode Analysis – Mitral Valve (M-MV)
Calc Mnemonic
EPSS E point Septal Separation
V_EF Mitral Valve E-F Velocity
V_DE Mitral Valve D-E Velocity
D_DE Mitral Valve D-E
Separation
D_CE Mitral Valve C-E
Separation
T_AC Mitral Valve A-C Interval
P-R P-R Interval
HR Heart Rate (beats/minute)
A/E Mitral Valve A/E
Ratio
PR-AC Mitral Valve PR-AC
Interval
.
4–84
Figure 4–72. M-MV Measurements
Calc Name Input Measurements
one distance
one slope
one slope
one distance
one distance
one time interval
one time interval
one 2 beat time interval
two distances
(A-C & D-E)
two time intervals
Table 4–20. Mitral Valve (M-MV)
V_DE measurement calculates D_DE simultaneously.
D_DE measurement calculates V_DE simultaneously.
T_AC measurement calculates D_AC simultaneously.
V_EF, V_DE, D_DE, D_CE and T_AC measurement results
should be performed through the slope measurement.
RVAW
RV
G
IVS
E A
LVOT
D
F
AML
C
E
LV
LVPW
PCG
P R
ECG
EPSS=d1[cm or mm]
V_EF=s1[cm/s]
V_DE=s1[cm/s]
V_DE=d1[cm or mm]
D_CE=d1[cm or mm]
T_AC=t1[msec or sec]
P-R=t1[msec or sec]
HR[BPM]=120 [sec]/ 2
beat time [sec]
A/E[%]= (D_AC/
D_DE) x 100
PR-AC[msec or sec]=P-R
- T_AC
LOGIQ 500 Advanced Reference Manual
2276614–100 Rev. 0
Formula