M-Mode Analysis - Aortic Valve (M-Av) - GE LOGIQ 500 Advanced Reference Manual

M-Mode Analysis – Aortic Valve (M-AV)
Calc Mnemonic
AOd Aortic Root Dimension,
Diastole
ALSs Aortic Valve Leaflet
Seperation, Systole
LADs Left Atrium Dimension,
Systole
RVOTs Right Ventricular Outflow
Tract Diameter at Systole
LVPEP Left Ventricle Pre-Ejection
Period
LVET Left Ventricle Ejection
Time
HR Heart Rate (beats/minute)
LA/AO LADs/AOd Ratio
PEP/ET Left Ventricle Systole Time
Interval Ratio
LOGIQ 500 Advanced Reference Manual
2276614–100 Rev. 0
A
B
Q
Figure 4–73. M-AV Measurements
Calc Name Input Measurements
one distance
A-B
one distance
E-F
one distance
C-D
one distance
G-H
one time interval
Q-I
one time interval
I-K
one 2 beat time interval
two distances
(LADs & AOd)
two distances
(LVPEP & LVET)
Table 4–21. Aortic Valve (M-AV)
Advanced Cardiac Calculations
G
H
E
K
F
C
D
AOd=d1[cm or mm]
ALSs=d1[cm or mm]
LADs=d1[cm or mm]
RVOTs=d1[cm or mm]
LVPEP=t1[msec or sec]
LVET=t1[msec or sec]
HR[BPM]=120 [sec]/ 2
beat time [sec]
LA/AO[%]=LADs/AOd x
100
PEP/ET[%]=
(LVPEP/LVET) x 100
Formula
4–85