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Chapter 4 Diagnosis Modes
CW Spectral Doppler Mode
CW stands for Continuous Wave. PW Spectral Doppler Mode gives information on the speed/direction of blood
ow at a specic site in the form of a spectral trace and audio signal. Unlike PW Spectral Doppler Mode, it does
not provide Sample Volume.
[Figure 4.6 CW Spectral Doppler Mode]
Steered CW Spectral Doppler Mode
This mode is available with a Phase Array Probe only.
The 2D Mode image is also shown, allowing the marking and adjustment of an observation area within the
entire image.
Entering & Exiting CW Spectral Doppler Mode
Press the
CW
button on the control panel. Press it again to return to 2D Mode.
NOTE: The information on menu and Soft Menu items for PW Spectral Doppler Mode also applies
to this mode.
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