SAEVO EVUS 8, Руководство пользователя

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7 Elastography Imaging
Basic User Manual 81
7�2�3 Transparency
Transparency allows you to bring out the tissue behind the color data.
To adjust the transparency:
1. Select the
Menu key in the real time scan. A menu pops up on the screen.
2. Select
Transparency
by using the trackball or the ↑ or ↓ key.
3. Rotate the
Menu
key or select the ← or → key to adjust the value.
7�2�4 Contrast
Contrast enhances the color contrast for more accurate tissue stiffness information.
To adjust the contrast:
1. Select the
Menu
key in the real time scan. A menu pops up on the screen.
2. Select
Contrast
by using the trackball or the ↑ or ↓ key.
3. Rotate the Menu key or select the ← or → key to adjust the value.
7�2�5 Persistence
Persistence is used to average consecutive frames to provide a smoother appearance with less noise. Use lower
persistence values for fast-moving organs or tissues and higher persistence values for smoother appearance.
To adjust the persistence:
1. Select the
Menu key in the real time scan. A menu pops up on the screen.
2. Select Persist by using the trackball or the ↑ or ↓ key.
3. Rotate the Menu key or select the ← or → key to adjust the value.
7�2�6 Frequency
The transducer is capable of generating a broadband signal with a certain start frequency and a certain bandwidth.
A higher frequency brings about higher resolution and lower penetration.
To adjust the frequency:
1. Select the
Menu key in the real time scan. A menu pops up on the screen.
2. Select Frequency by using the trackball or the ↑ or ↓ key.
3. Rotate the Menu key or select the ← or → key to adjust the value.
7�3 Working with Elastography Images
You can work with the elastography images by using the features in the frozen mode, such as cine review,
annotations, data storage or measurements. For details, refer to Section 10.4 Using Cine, Section 10.5 Annotations
and Body Marks, Chapter 11 Managing Images/Data and the relevant sections in the advanced user manual.