Appendix E Advanced Feature Controls
E - 38 Instructions for Use
syngo VVI (Velocity Vector Imaging) Controls
Exit Exits the module.
Strain/Velocity Measurement Window
Displays velocity, strain, and strain rate information in the Strain/Velocity Measurement window.
Global Measurements Window
Displays ejection fraction (EF), Dmin, Dmax, volume, and segmental volume information in the
Global Measurement window.
Note: This selection may not be available for traces processed using the Generic Curve
processing algorithm.
Dyssynchrony analysis
Displays peak and timing information (such as time-to-peak values) related to strain, strain rate,
velocity, or displacement in the Dyssynchrony window.
Note: This selection may not be available for traces processed using the Generic Curve
processing algorithm.
Long Axis Selects the Long Axis algorithm for processing the trace.
Short Axis Selects the Short Axis algorithm for processing the trace.
Selects the Generic Curve algorithm for processing the trace.
Average Heart
Cycle
When selected (enabled), calculates and displays the motion parameters for the average heart
cycle by averaging the values from the multiple R-R intervals.
Note: This selection is available for multiple-cycle clips, after processing only.
Endo+Epi
When selected (enabled), displays a second trace outside the endocardium trace. Required to
calculate radial strain and radial strain rate.
Restores the original gamma image setting.
Adjusts the gamma image setting (changes both brightness and contrast).
Process Images
Calculates velocity vector data for the selected trace.
New Trace
Activates the tracing (outlining) function and removes the displayed trace (if any) from the
window.
Increases or decreases the distance between the endo/epi traces. Only visible when creating or
editing endo/epi traces.
Bkg MMode display
Adds or removes the M-mode display from graphs.
Toggle Pan/Zoom
Changes the size of the displayed clip.
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