6 Acquiring Images
Basic User Manual 75
●
Tap
Invert
on the touch screen to enable the feature.
●
Or, tap
Invert
again on the touch screen to disable the feature.
NOTE:
The color ow and the color map are also inverted when reversing the ow.
6.4 Acquiring M-Mode Images
M mode is generally used with 2D imaging, and is helpful for cardiac applications. In the M mode, you can
position the M-line in the 2D image on the anatomy of interest, and then learn about the tissue motion along that
line in M-mode trace. In M-mode, y-axis is used to display the position or depth of the tissue, and x-axis is the
time scale.
6.4.1 M Mode
The M-line can be only positioned 90° within the ultrasound beam. Therefore, the M mode is used to view motion
patterns for regular objects.
Perform the following steps to acquire M-mode images.
1. Optimize a B-mode image.
2. Press the
M
key on the control panel to enter the inactivated B+M mode.
0
5
10
M-line
S
Figure 6-10 Inactivated B+M-Mode Imaging Screen
3. Adjust the M line by using the trackball.
4. Press the
Update
key on the control panel to activate the M mode.
The B-mode image with a M line is displayed at the upper part of the screen and the M-mode image is
displayed at the lower part of the screen after being activated, as shown in Figure 6-11.
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