Measurement and Analysis
292 Vivid S5/Vivid S6 User Manual
R2424458-100 Rev. 2
Figure 7-24: Worksheet results AFI
Note: Do not disable any sub-measurement of AFI using
Config. tab, as this will disable the whole set of AFI
measurements.
Reprocessing data
The data from one or several views from a saved AFI analysis
may be reprocessed. When reprocessing a AFI analysis new
result screens are created.
1. Double-click on the Bulls-Eye thumbnail.
A quad screen is displayed showing the three apical views
and the Bulls-Eye diagram.
2. Select the view to reprocess and perform the analysis
("Acquisition" on page 275).
AutoEF Measurements
Automated Ejection Fraction (AutoEF) is a semi-automatic
measurement-tool used for measurement of the global EF
(Ejection fraction). The AutoEF tool is utilized as optional
decision support tool in the system.
The AutoEF tool is derived from 2D speckle tracking algorithm,
which tracks and calculates the myocardial tissue deformation
based on feature tracking on 2D grey scale loops.
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