
Rev 1.1 VisualSonics Vevo 2100 Imaging System Operator Manual 269
Chapter 39: Analyzing PW Doppler Mode and PW Tissue Doppler Mode images
Option Description
auto
Applies a green trace to the largest velocity values, positive and negative, along the
entire cine loop.
Mean
Option Description
none The system does not apply a trace.
+
Applies a blue trace to all positive mean frequency signal traces along the entire cine
loop.
-
Applies a purple trace to all negative mean frequency signal traces along the entire cine
loop.
+ / - Applies both the positive as well as the negative mean frequency traces.
Related information
VTI measurement with automatic frequency trace (page 265)
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