6 Image Acquisition
Operator’s Manual
6 - 31
3.
Use the trackball/trackpad to drag the curve to desired position, press <Set> again to set the
point to the new position.
4.
Repeat step 2 to finish all points that need adjustment.
TIP:
Under tracking status, tap [Edit] on the touch screen to enter the status.
6.15.5 Basic Operations of TTQA
Switch among the operation controls
•
[Start Tracking]: tap to start tracking.
•
[Accept & Compute]: tap to start calculation and display the curve.
•
[Exit]: tap to exit tissue tracking.
•
[Parameter]: rotate to select the curve type.
•
[Bull’s Eye]: touch to turn on/off bull’s eye and peak data table.
•
[Auto Play]: change the speed of the play.
View Selection
Before tracing, touch the corresponding keys to select for the view.
•
[A4C]: apical four chamber.
•
[A2C]: apical two chamber.
•
[ALAX]: apical long-axis view, also called 3-chamber view.
•
[PSAX B]: short axis view of base section, short axis view of mitral valve.
•
[PSAX M]: short axis view of base section, short axis view of papillary muscle.
•
[PSAX AP]: short axis view of apex.
Parameter Adjustment
•
[Thickness]: adjusts the tracing thickness, i.e., the distance between the endocardium wall and
the tracking points on the epicardium.
•
[Tracking Points]: adjusts the number of points within the segment.
•
[Cycle]: select the next cycle.
•
[Display Effect]: turns on/off the arrow vector graphical display of the myocardial movement.
•
[Velocity Scale]: adjust the scale length of the velocity.
•
[Display Style]: display the endometrial, the epicardium, the myocardial or all.
•
[Tracking Cycles]: select the cycles to be tracked.
•
[Average Cycles]: obtain the average parameter curves of the tissue.
•
[Cycle Select]: select among different cycles.
Time Mark
According to the status of the current section, tap the corresponding key on the touch screen to
check the matching time.
•
[AVO]: displays aortic valve open time.
•
[AVC]: displays aortic valve closure time.
•
[MVO]: displays mitral valve open time.
•
[MVC]: displays mitral valve closure time.
Summary of Contents for Ana
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