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Chapter 4 Diagnosis Modes
CW Spectral Doppler Mode
CW stands for Continuous Wave. This mode displays the blood ow speed and direction at a specic
blood vessel location within a specic time frame. Unlike PW Spectral Doppler Mode, it does not provide
Sample Volume.
NOTE:
X
CW Spectral Doppler mode is an optional feature of this product.
X
This dial-button can be used with the Phased Array or Static CW probes.
[Figure 4.6 CW Spectral Doppler Mode]
Steered CW Spectral Doppler Mode
This mode can be used only if the Phased Array probe is used. The 2D Mode image is also shown,
allowing the marking and adjustment of an observation area within the entire image.
Static CW Spectral Doppler Mode
This mode is only available with a Static CW Probe. The 2D image is not displayed.
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