Physiological Unit Signal 7-3
Single Trigger: When an R waveform is detected, an image will be triggered after delay time
T1The time of T1 can be edited in single mode.
Dual trigger: when an R waveform is detected, two images in two windows will be triggered
respectively after delay time T1 and T2. The time of T1 and T2 can be edited in dual mode.
Timer Trigger: an image will be triggered after a time interval. The time interval can be edited in
triggering status.
The image triggering operation is described as follows (Take single trigger as an example):
1. Select exam mode.
2. Tap [Trig Mode] on the touch screen to enable the trigger.
3. Select [Single].
4. Set the delay time (or use the T1 by default).
7.1.2.3 Real & Trigger
Tap [Real & Trigger] to enable or disable the real trigger function.
After the [Real & Trigger] is enabled, two images are displayed respectively in two windows. One is
triggered by ECG, and the other is non-triggered real time image.
7.1.3 ECG Review
7.1.3.1 Review Principle
When an image is frozen, the ECG waveform where the image is triggered will be frozen at the same
time. In the Dual triggering mode, the two window images are 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.
7.1.3.2 Linked Review of ECG Waveforms, M/D Images and 2D Images
If the physio unit signal, time curve and 2D image are frozen at the same time, the replay of them is
displayed at the same time.
7.2 Respiratory Wave
7.2.1 Respiratory Wave Operation Basic Procedures
1. Connect the ECG lead and position the ECG electrodes. For details of ECG lead connection, see
“7.1.1 ECG Operation Basic Procedures”.
2. Tap [Physio] on the touch screen or press the user-defined key for “Physio” on the control panel to
enter Physio screen.
3. Switch the imaging modes and display formats, adjusting the parameters to get an optimized
image.
4. Parameter adjusting
In Physio menu, click [RESP] on the touch screen. Adjust [Speed], [RESP Gain], [Position] and
[Invert].
5. Exit Respiratory display mode, and remove ECG electrodes from the patient.
6. Tap [Physio] or press the user-defined key for “Physio” to exit physio mode.
7.2.2 Parameter Description
The physio parameters are described as follows:
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