Optimizing the Image
LOGIQ E9
–
User Guide
2-5
Direction 5454884-100 English
Rev. 1
Color Flow Mode Controls
Color Flow Mode and Color M-Mode are Doppler Modes
intended to add color-coded qualitative information concerning
the relative velocity and direction of fluid motion within the
B-Mode or M-Mode image.
Table 2-2:
Color Flow Mode Controls
Control
Possible
Bioeffect
Description/
Benefit
Flow Model
Shortcuts
No
In certain applications, you can quickly select the flow state via a
shortcut on the Color Flow Mode Touch Panel menu.
Gain
No
Gain amplifies the overall strength of echoes processed in the Color
Flow window or spectral Doppler timeline.
Scale (Velocity
Scale)
Yes
Increases/decreases the Scale on the color bar.
Wall Filter
No
Filters out low flow velocity signals. It helps get rid of motion artifacts
caused from breathing and other patient motion.
Color Width
Yes
Color Width sizes and positions the color window.
Invert (Color Invert)
No
Lets you view blood flow from a different perspective, e.g., red away
(negative velocities) and blue toward (positive velocities). You can
invert a real-time or frozen image.
NOTE: Invert reverses the color map, NOT the color Scale.
Baseline
No
Changes the Color Flow or Doppler spectrum baseline to
accommodate higher velocity blood flow. Minimizes aliasing by
displaying a greater range of forward flow with respect to reverse
flow, or vice versa.
Baseline adjusts the alias point. The default baseline is at the
midpoint of the color display and at the midpoint of the color bar
reference display.
Angle Steer
Yes
You can slant the ROI of the Color Flow linear image left or right to
get more information without moving the probe. The Angle Steer
function only applies to linear probes.
Accumulation
No
Accumulation enhances the flow in an image.
Available in Contrast, Color Flow, and PDI.
Color Flow Line
Density
Yes
Optimizes the Color Flow frame rate or spatial resolution for the best
possible color image.
Map
No
Allows you to select a specific color map. After you have made your
selection, the color bar displays the resultant map.
Threshold
No
Threshold assigns the gray scale level at which color information
stops.
Frame Average
No
Averages color frames.
Transparency Map
No
Brings out the tissue behind the color map.
Содержание LOGIQ E9
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