
350 VisualSonics Vevo 2100 Imaging System Operator Manual Rev 1.1
Chapter 47: Acquiring Contrast Mode images
B-Mode image only
Contrast overlay and B-Mode image
Related information
Adjusting the contrast overlay display (page 350)
Image Sequence (page 412)
Adjusting the contrast overlay display
You can modify the amount and intensity of the contrast green overlay data in
three ways:
Adjust the process persistence filter
Adjust the contrast overlay dynamic range
Adjust the contrast overlay data threshold
Adjusting the contrast processing filter
Process filtering adjusts the amount of contrast data the system acquires when
you process the cine loop that includes your reference set.
f To modify the process persistence setting:
1. In the Process box, select one of the following four options:
Setting Description
Standard Default. No additional filters are applied.
Smooth
Applies frame-to-frame averaging. Helpful when you want to remove transient bubble
data from the image.
MIP
Applies a maximum intensity persistence to the images. Helpful when you want to
trace bubble paths in vessel structures.
Cardiac
Applies a stronger filter. Helpful when you want to study fast moving cardiac
structures.
2. Click Process Cine. The system applies the selected Process filter as it
processes the contrast data in the cine loop.
3. Ensure the cine loop range control extends the full length of the cine loop and
then review the post-destruction burst frames to see the result.
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