Build A Cardiac Protocol Using Auto Gating - GE Revolution CT User Manual

3. Define the
Threshold settings.
These thresholds define how the tool will categorize the patient's heart rate based on the
breath hold recording.
Variable Beat to Beat Threshold : Max beat to beat variability before the HR Rhythm is
○
classified as "Variable".
Irregular Threshold : Max number of irregular beats before the HR Rhythm is classified
○
as "Irregular".
Highly Irregular Threshold : Max number of irregular beats before the HR Rhythm is
○
classified as "Highly Irregular".
NOTE: Each cell allows you to configure an alert message, if needed. Alert messages are
read-only and cannot be edited.
4. Click [Save].

5.3 Build a cardiac protocol using Auto Gating

Use this procedure to build a cardiac protocol using Auto Gating.
Considerations
GE cardiac protocols that use Auto Gating are set to a GE defined profile. Auto Gating
automatically provides suggested settings based on the selected profile for any ECG-gated
acquisition, if an ECG recording has been done.
1. From the image monitor, click
Protocol Management .
2. Click
Protocol Selection window, click [Chest] and select an existing cardiac protocol.
3. From the
4. Click [Edit] to add Auto Gating to an existing protocol.
a. From the
Auto Gating .
b. Click
c. Select
settings.
d. Click [Apply].
Gating Based On and make sure it is set to Latest Recording .
e. Click
f. Click [Apply].
5. Continue setting the rest of the
6. Verify the remaining parameters for the subsequent series in the protocol.
7. Click [Save] or [Save As] to save the protocol.
Chapter 18 Protocols
Variable Beat to Beat Threshold , Irregular Threshold and Highly Irregular
Scan Setting window, click ECG and Gating .
On and a default profile for the exam will be used to provide Auto Gating scan
ECG and Gating parameters for the protocol.
.
Revolution CT User Manual
Direction 5480385-1EN, Revision 1
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