6 - 14 Operator’s Manual
6 Image Acquisition
5. The image is frozen after completing the capture. Review the single-frame or cine file.
6. Measure speed, volume flow and WSS. Click [Data Export] to import result window and
velocity curve data.
7. Press <B> on the control panel or the user-defined key to quit V Flow mode.
6.5.2 Image Optimization
Quality
The filling, smoothness and the image effect have slight change after completing the v flow
adjustment.
V Flow Map
This function is a combination of several image parameters, which indicates the display effect of
color image. The blood flow information is displayed via switching among the different spectrums.
The color of the arrow changes after completing the adjustment.
Gain
Used for adjusting the sensitivity of the blood flow signal.
The filling of the blood becomes more with the value becoming larger, and the arrows becoming
more.
The filling of the blood becomes less with the value becoming smaller and the arrows becoming
less.
Arrow Density
Used for adjusting the arrows’ number in the unit area.
The arrow becomes more with the density becoming more compacted.
The arrow becomes less with the density becoming fewer.
Persistence
Used for adjusting the temporal smooth to optimize the image.
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