Chapter 9: Real-Time Ultrasound Instrumentation

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1.
Sonography
2.
the image into zones and focuses on each separately to enhance resolution and frame rate.
3.
Fusion
4.
images from different frequencies to produce a more detailed and informative composite.
5.
Controls
6.
and adjustments made by the sonographer to optimize image quality and diagnostic value.
7.
Imaging
8.
ultrasound beams at multiple depths to enhance lateral resolution.
9.
Ultrasound
10.
real-time motion to 3D imaging, often used in fetal imaging to observe movement.
11.
Compounding
12.
images taken from different angles to reduce speckle and improve tissue differentiation.
13.
Excitation
14.
specially designed pulse sequences to improve signal-to-noise ratio and penetration.
15.
Frequency Filtering
16.
frequency content of the signal in real-time to optimize image clarity at different depths.
17.
Imaging
18.
a range of frequencies to improve penetration and resolution in ultrasound imaging.
19.
Harmonic Imaging
20.
harmonic frequencies generated by tissue to produce clearer images with less noise.
21.
Field of View
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visualization of larger anatomical areas by stitching together multiple frames.
23.
Ultrasound
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volume data to create three-dimensional images of anatomical structures.
25.
Image Formation
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that combines phase-aligned signals to enhance image resolution and contrast.
27.
Elastography
28.
tissue stiffness to help differentiate between benign and malignant lesions.
29.
Acquisition
30.
standard grayscale imaging mode that displays the amplitude of echoes as brightness on the screen.