In scan mode it is possible to switch between PD menu, CW menu and the Submenus to
readjust the settings.
8.5 HD-Flow Mode (Bi-directional Angio Mode)
Directional Power Doppler (HD-Flow) is a Power Doppler mode incorporating the flow direction
(much like Color Doppler) into the displayed image. The focus of the settings for Directional
Power Doppler is for high spatial resolution and low artefact visibility, allowing vessels to be
seen with less blooming and finer detail.
HD-Flow Mode is available in 2D Mode, 3D Mode, M-Mode and Fetal Cardio.
The HD-Flow mode is subdivided in two groups. In these groups you will see how to use HD-
Flow mode and how to adjust the HD-Flow settings.
To use the HD-Flow mode: 'HD-Flow Main Menu'
on page 8-23
To adjust HD-Flow setting:
'HD-Flow Sub Menu'
on page 8-26
To use special utilities: 'Utilities'
on page 13-2
and 'Gray Map'
on page 6-22
8.5.1 HD-Flow Main Menu
PD Mode key (hard key)
By pressing the control [PD]
the PD mode is switched on. The color box and the color wedge
appears immediately in the active B-Image.
The [PD Mode] hard key is also the Gain control for the HD-Flow mode (in scan mode only).
'HD-Flow Operation'
on page 8-24
Once HD-Flow has been activated, it is automatically activated each time the PD hardkey is
pressed, until the user switches to PD again by using the PD softkey on the menu area.
HD-Flow Mode key Selecting the [HD-Flow] key activates the HD-Flow mode.
The HD-Flow Box appears in the active 2D image.
To use the HD-Flow mode:
'HD-Flow Operation'
on page 8-24
To adjust the
HD-Flow settings: 'HD-Flow Sub Menu'
on page 8-26
The “HD-Flow Main” menu appears on the Main window (scan mode).
Doppler Modes
Voluson® S6/S8 Basic User Manual
5433669-100 Revision 4 8-23
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