Continuous Wave Doppler - GE Logiq 500 User Manual

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Continuous Wave Doppler

Allows examination of blood flow data all along the Doppler

Mode cursor rather than from any specific depth. Gather

samples along the entire Doppler beam for rapid scanning of

heart. Range gated CW allows information to be gathered at

higher velocity.

NOTE: If split crystal is activated, CW is automatically selected.

There are two CW Doppler operating modes: Steerable and

Non-Imaging.

Steerable—Allows viewing of the B-Mode image to position the

Doppler cursor to the area of interest while viewing the Doppler

spectrum (shown below the B-Mode image) and listening to the

Doppler audio signal.

Works with sector probes only.

Non-Imaging—Provides only Doppler Spectrum and Audio for

ascending/descending aortic arch, other hard-to-get-to spaces

or higher velocities.

Requires a single CWD probe and connection.

Works with CWD probes only (CWD2, CWD5).

500 Basic Users Manual

2233658–100 Rev. 0