Siemens ACUSON Cypress

ACUSON Cypress™ Operator’s Manual 6-3
Overview of Cardiac Measurements
Types of Specific Cardiac Calculations
Table 27 shows the specific calculations for the different modes. The formulas
for each calculation are shown in Table 29, Table 30, and Table 31.
TABLE 27. Specific Cardiac Calculations by Mode
2D Mode (See Table 29 on page 6-15)
 LV Volume, Biplane, MOD
 LV Volume, Single Plane, MOD
 Fractional Area Change
 Ejection Fraction
 Stroke Volume
 Cardiac Output
 Cardiac Index
 LV Mass
 LV Mass Index
 Percent Fractional Shortening
 Percent Fractional Thickening
M-Mode (See Table 30 on page 6-18)
 Percent Fractional Shortening
 Percent Fractional Thickening
 Ejection Fraction Cubed
 Ejection Fraction Teichholz
 Stroke Volume Cubed
 Stroke Volume Teichholz
 Cardiac Output Cubed
 Cardiac Index Cubed
 Cardiac Output Teichholz
 Cardiac Index Teichholz
 LV Mass
 LV Mass Index
 EPSS–E Point to Septal Separation
Doppler (See Table 31 on page 6-20)
 Peak Pressure Gradient
 Mean Velocity
 Mean Pressure Gradient
 Time Velocity Integral
 Stroke Volume
 Cardiac Output
 Mitral Valve Continuity Equation
using LVOT
 Mitral Valve Continuity Equation
using Pulmonary Artery
 Shunt Ratio
 Time
 Cardiac Index
 Pressure Half-Time
 Valve Area by Pressure Half-Time
 Aortic Valve Continuity Equation
using V
max
 Aortic Valve Continuity Equation
using
TVI
 Right Ventricular Systolic Pressure
(RVSP) using VSD
 Right Ventricular Systolic Pressure
(RVSP) using Tricuspid Valve
Regurgitation
 Mitral Valve (MV) Slope
 Tricuspid Valve (TV) Slope