
Chapter 5.Measurements and Calculations 5 - 37
in the case of the diastole of Left Ventricle.
- Myocardial thickness = SQRT(Dia.A / Pi) – SQRT(Sys.A / Pi)
■ Ao/LA
The sub-menus of Ao/LA are measured as shown below.
- Ao-LA measures Aorta and Left Atrium in sequence.
- LVOT Dia measures the point of Aortic Valve Annulus.
- Ao Root Dia measures the distance from Anterior Aortic Wall to Posterior Aortic
Wall.
- LA Dia measures the distance from Posterior Aortic Wall to Left Arterial Wall.
▐ Cardiac Measurements in M Mode
Menu Sub menu Input Meas.
Lt. Ventricle
IVSd (Inter Ventricular Septal thickness Diastolic) Distance (Thickness)
LVDd (Left Ventricle Diameter Diastolic) Distance (Thickness)
LVPWd (Left Ventricle Posterior Wall Dimension
Diastolic)
Distance (Thickness)
IVSs (Inter Ventricular Septal thickness Systolic) Distance (Thickness)
LVDs (Left Ventricle Diameter Systolic) Distance (Thickness)
LVPWs (Left Ventricle Posterior Wall Dimension
Systolic)
Distance (Thickness)
RVDd (Right Ventricle Diameter Diastolic) Distance (Thickness)
All (IVSd, LVDd, LVPWd, IVSs, LVDs, LVPWs) Same as above
Ao/LA (Aorta/Left
Atrium)
Ao Root Dia (Aortic Root Dimension) Distance
AoV Cusp Sep. (Aortic Valve Cusp Separation) Distance
LA Dia (Left Atrial Dimension) Distance
LV PET (Left Ventricle Pre Eject Time) Time
LV ET (Left Ventricle Eject Time) Time
All (Ao Root Dia, AoV Cusp Sep., LA Dia, LV PET,
LV ET)
Same as above
MV (Mitral Valve)
A-C Interval Time interval
D-E (D – E Excursion) Distance
E-F Slope Slope (Velocity)
EPSS (E Point Septal Separation) Distance (Thickness)
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