Stress Echo
Vivid S5/Vivid S6 User Manual 223
R2424458-100 Rev. 2
Tissue Tracking
Tissue Tracking calculates and color-codes the displacement in
tissue over a given time interval. The displacement is found as
the time integral (sum) of the tissue velocities during the given
time interval. The color-coded displacements calculated in the
myocardium are displayed as color overlay in the respective
acquisition window.
By studying the color patterns generated in the different
segments, the user can confirm the standard segmental wall
motion scoring at peak levels.
To display Tissue Tracking
1. Trackball to a loop with TVI data (usually an apical view at
peak level).
2. Press
SET on the control panel.
3. Trackball to the corresponding Wall segment diagram.
4. Press T on the Wall segment diagram field (see
Figure 5-11). The Tissue Tracking color overlay is
displayed in the Acquisition window.
Figure 5-13: Tissue Tracking display
Quantitative analysis
Quantitative analysis enables further analysis based on
multiple tissue velocity traces. Quantitative analysis is
performed using the Quantitative analysis package described
in Chapter 8, "Quantitative Analysis" on page 375.
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