Optimizing the Image
LOGIQ V2/LOGIQ V1
–
User Guide
2-5
Direction 5610736-100
Rev. 9
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.
NOTE:
Color Flow Mode is an option for LOGIQ V1.
Table 2-2: Color Flow Mode Controls
Control
Bioeffect
Description/Benefit
Flow Selection
Yes
In the Lower Extremity Vein (LEV) and Abdominal applications, you
can quickly select the flow state via a shortcut on the Color Flow
Mode 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.
Size/Position
Yes
Adjust size and position of 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 PRF.
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.
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.
Map Compress
No
Change the gradation of color map.
Threshold
No
Limits color flow overlay to low level echoes inside vessel walls.
Helps minimize color `bleeding' outside vessel walls.
Frame Average
No
Averages color frames.
Содержание LOGIQ V2
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