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Persistence
Resume
The B images of adjacent frames are averaged to optimize the images.
Effect
Reduce the image noise, optimize the image, make the image more
delicate, may cause the loss of specific information.
Priority
Resume
Used to set the level of blood flow display, select the preferred black-and-
white or color blood flow display.
Effect
Large value, priority display color image, small value, priority display black-
and-white image.
Map
Resume
Color image display effect parameters, according to the need to switch
different atlas can get more comprehensive blood flow information.
Influence
This function is effective for real-time, frozen and movie playback images.
Invert
Resume
Set the display mode of Color mode, turn over the color ruler when it is turned
on, and change the display mode of blood flow on the image.
Influence
This function is effective for real-time, frozen and movie playback images.
Acoustical Power
Resume
Adjust the power of the probe to emit ultrasound.
Effect
The louder power increases the overall brightness of the image evenly, and
the detection depth also increases.
Influence
In clinical application, proper sound power should be selected according to
the actual situation and ALARA sound power principle.
4.6
Parameters adjustment for Power
mode
Power Doppler mode is used to show the density and energy information of red blood cells
in blood flow for a certain period of time, and to express it by color of different luminance,
to provide perfusion information of blood flow, but not to provide information of velocity.
4.6.1
Power mode image parameter
During Power mode image scanning, the image parameter area on the left side of the
screen provides real-time parameter information, which allows you to adjust the following
parameters:
