Tissue Velocity Imaging (Tvi) - GE Vivid S5 User Manual

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Press the "Auto" button while in PW or CW modes. This will

activate the ASO function. Automatic Spectrum Optimization

(ASO) is used to automatically adjust baseline and scale of

current PW/CW spectrum to optimize the spectral display. It will

avoid the display of a folded spectrum and stretch the spectrum

vertically as large as possible.

ASO optimization is not continuous but performed

instantaneously each time the button is pressed.

Tissue Velocity Imaging (TVI)

TVI overview

1. TVI sector marker

2. Status window

3. Soft menu

Figure 4-8: The TVI Mode screen

Tissue Velocity Imaging (TVI) calculates and color-codes the

velocities in tissue. The tissue velocity information is acquired

by sampling of tissue Doppler velocity values at discrete points.

The information is stored in a combined format with greyscale

Vivid S5/Vivid S6 User Manual

R2424458-100 Rev. 2

Scanning Modes