Mindray Imagyn 7, Руководство оператора

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9 - 2 Operator’s Manual
9 Contrast Imaging
9.2 Left Ventricular Opacification
Perform the following procedure:
1.
Acquire ECG signal.
2. Select an appropriate probe and LVO exam mode.
3. Workflow of LVO is similar to abdomen contrast imaging, see “9.1 Basic Procedures for
Contrast Imaging”.
9.3 Image Parameters
When entering contrast imaging mode, the screen displays the contrast image, and if [Dual Live]
item on the touch screen is “ON”, both the contrast image (marked with
) and tissue image
(marked with ) are displayed (the two window position can be changed).
Parameters in Contrast mode are similar to those in B mode; please refer to B chapter for details,
special Contrast imaging parameters are introduced in the following.
Timer
NOTE:
The starting time displayed may be inconsistent with the actual one due to system error or some
other man-made mistakes; please check the agent-injecting time.
The two timers are used to record total time of contrast imaging and single time of one contrast
exam.
After the image is frozen, Timer 1 is still timing, and after unfreezing the image, the corresponding
time can be seen.
Timer 2 stops timing when one contrast exam is frozen, and after unfreezing the image, the Timer 2
is off.
Type Parameter Description
Contrast FC Contrast frequency.
D Depth.
G Gain.
FR Frame rate.
DR Dynamic Range.
iTouch iTouch status
Tissue G Gain
DR Dynamic Range.
iTouch iTouch status
Zoom Z Magnification factor
Timing (If timer is
“ON”) / In real time mode, the time displayed is the elapsed time.
Freezing status:
Timer 1 continues timing and two times will be displayed on
the screen: frozen time and time duration after the image is
frozen.
Timer 2 stops timing and the screen displays the frozen time.