B-Mode Analysis - Parasternal Long Axis - GE LOGIQ 500 Advanced Reference Manual

Advanced Cardiac Calculations
B-Mode Analysis – Parasternal Long Axis
IVSd
LVIDd
LVPWd
DIASTOLE
Calc Mnemonic
AOd Aortic Root
Dimension, Diastole
IVSd Interventricular Septal Di-
mension at Diastole
LVPWd Left Ventricular Posterior
Wall Thickness at Diastole
LVIDd Left Ventricular Interior
Dimension at Diastole
AOs Aortic Root Dimension at
Systole
LVIDs Left Ventricular Interior Di-
mension at Systole
ALSs Aortic Valve Leaflet Sep-
eration, Systole
LADs Left Atrial
Dimension at Systole
LVOTs LV Outflow Tract
Diameter at Systole
AAs Aortic Area at Systole
LVOTA LV Outflow Tract Area at
Systole
HR Heart Rate (beats/minute)
4–76
AOd
Figure 4–64. PLAX Measurements
Calc Name Input Measurements
one distance
one distance
one distance
one distance
one distance
one distance
one distance
one distance
one distance
one distance (AOs)
one distance
one 2 beat time
interval
Table 4–12. Parasternal Long Axis (PLAX)
LVIDs ALSs
LADs
SYSTOLE
AOd=d1[cm or mm]
IVSd=d1[cm or mm]
LVPWd=d1[cm or mm]
LVIDd=d1[cm or mm]
AOs=d1[cm or mm]
LVIDs=d1[cm or mm]
ALSs=d1[cm or mm]
LADs=d1[cm or mm]
LVOTs=d1 [cm or mm]
AAs[cm
LVOTA [cm
(p/4)x(LVOTs)
HR[BPM]=120 [sec]/ 2
beat time [sec]
LOGIQ 500 Advanced Reference Manual
2276614–100 Rev. 0
AOs
Formula
]= (p/4)x(AOs)
2 2
2
]=
2