Physiological Signal 8-3
If the delay time is longer than a heart cycle, then the heart cycle between the delay time
is omitted, that is to say no trigger is occurred when R waveform is detected in the
duration.
8.1.2.2 Triggering Mode
This system supports single trigger.
Single Trigger:
When an R waveform is detected, an image will be triggered after delay
time T1. The value of T1 can be changed in triggering status.
The operational steps are as follows:
1. Select exam mode.
2. Tap [Trig Mode] to turn on the trigger function.
3. Set the delay time T1.
8.1.3 ECG Review
8.1.3.1 Review Principle
When an image is frozen, the ECG waveform where the image is triggered will be frozen at the
same time. When images are reviewed with the ECG electrodes connected, the ECG trace is the
reference for time.
After the images are frozen, all real time images are in the status of linked review.
8.1.3.2 Linked Review of ECG Signal, M/D Images and 2D Images
If the real (triggered) physio signal, M/D images and 2D image are frozen at the same time, then
they will be reviewed synchronously in the linked status.
8.2
Parameters description
The physio parameters are described as follows:
Parameter
Description
ECG Source
Select ECG source. Lead/External
Gain
Function: to set the amplitude of the trace.
Value: 0-30, in increments of 1.
Position (%)
Function: to set the vertical position of the both traces on the image
display.
Value: 0-100%, in increments of 5%.
Speed
Function: adjust the speed of the physio trace.
Range: 20-145 mm/s
Trig Mode
Turn on/off the triggering function.
Invert
Invert the ECG signal wave for observation.
T1
Function: to set the delay time T1 in Single trigger.
Содержание TE5
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