Measurement and Analysis
Vivid S5/Vivid S6 User Manual 279
R2424458-100 Rev. 2
Softmenu
Select Frame - Prior to the placement of the 3 points you may
select a different frame from the default one. Marked by a blue
vertical bar over the ECG trace.
YOYO - When turned ON the image will loop through some of
the neighboring frames to allow improved visualization of the
anatomy.
Left and Right Marker - Allows to correct the placement of the
yellow markers over the ECG trace and define the R-R interval
correctly.
Redraw - Allows to go back to previous screen and re-position
the three points.
ROI Width - May be adjusted to include more or less of the
myocardial tissue that needs to be assessed by AFI.
Process - Starts the speckle analysis of the tissue within the
selected ROI.
Quick Tips
Correct ROI definition is crucial to get good tracking. Refer to
the example displayed in the Tip window for correct point
placements. To display additional guidelines, select the Tip
button on the Tip window. Make sure to follow the
recommendations when placing the three points (see below).
Base Correct Wrong
1. Correct position of
the base points.
2. The ROI extends
into the aortic tract.
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