The ECG Trace is automatically displayed on the
Scan Settings
window when an ECG-gated
scan mode is selected.
For scan modes that are not ECG-gated, the ECG Trace is displayed when the
ECG
option is
"
On
" in the
ECG and Gating
collection. Note this can be preset for each series in a protocol.
Place the cursor in the
ECG Trace
viewer and right-click to display the
Statistics
menu.
•
Select
Reset Statistics
to reset or clear the current statistics if the patient's heart rate has
changed. This step may be desired if there has been a change in the patient's heart rate or if
a modification of the electrodes or leads has caused changes to the waveform.
•
Select
Preferences
to open the
Stats Preferences
window. From the
Stats Preferences
window, select values for any of the following options:
○
Select
Stats Window
to define the moving window of time during which the heart rate
statistics are calculated (Min, Avg, Max). Heart rate is a real-time heart rate. Minimum
HR is the minimum heart rate detected within the time frame you specify. Maximum HR
is the maximum heart rate detected within the time frame you specify. Average HR is the
heart rate averaged within the time frame you specify. The default is 30 seconds and the
allowable range is 5–60 seconds.
○
Click [Apply].
Revolution CT User Manual
Direction 5480385-1EN, Revision 1
354 3 Cardiac Scan Parameters