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Image Optimization 5-113

As shown in the following figure, after operation by pressing <Set> to place 3 points on the

image, the system generates the trace automatically.

 Manual trace method

Press <Set> and roll the trackball along the boundary to add the trace points gradually,

after trace is finished, press <Set> twice to finish tracing.

NOTE: at least 6 points should be determined by you before the system generates

automated trace. Press <Set> to make the traces on the image clockwise or anticlockwise.

 Short axis section (PSAX B, PSAX M, PSAX AP): only manual tracing is available.

 Retracing

If current trace is not satisfactory, touch [Reload] on the touch screen to clear the trace and to start

another tracing.

During the tracing drawing, press <Clear> to clear already traced drawing.

 Make fine adjustment to the trace

You can make fine adjustments to the trace after it is completed;

1. Under tracing curve adjusting status, the cursor turns into .

2. Move the cursor to the editable point, press <Set>;

3. Roll the trackball to drag the curve to desired position, press <Set> again to set the point to the

new position;

4. Repeat steps 2-3 to finish all points that need adjustment.

NOTE: under tracking status, tap [Edit] on the touch screen to enter the status.

5.16.5 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.

Mindray Recho R9 User Manual

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