6-18 CASE Revision C
2060290-201
During the Test
ECG Data Windows
ST/Arrhy Window
The ST/Arrhy window displays the median complex (left) and the
current arrhythmias (right). As soon as the exercise phase begins, the
current median complex is superimposed on the baseline complex and
both measurements are displayed.
The system chooses the two leads with the greatest amplitude for
arrhythmia analysis (click E to select another lead). The system starts
saving arrhythmias at the beginning of the pretest (20 arrhythmias
max., following preset priorities, see section “Arrhythmia Review” on
page 6-45).
Medians Window
The Medians window displays the current median complex. The system
saves new median beats at the time intervals selected in the Protocol
A Click the lead label to display the median complexes of other leads. The message
Scan indicates that the system has chosen the lead with the most significant ST
depression. (Leads aVR, aVL, V1 are not considered.)
B Click the tab to display the ST/Arrhy window.
C Click Superimposition to display the median complexes from all leads
superimposed (click again to restore normal presentation).
D Click Zoom to change the size of the median complex.
E Click the lead label to open a window for manual selection of the arrhythmia lead
(the system automatically selects the 2 leads with the greatest amplitudes).
F Arrhythmia label.
G Time at which arrhythmia occurred in the indicated phase.
H Number of ventricular ectopics per minute.
I ST measurements.
K Click arrows to adjust the E, J and J+x reference points (only in "manual" mode,
see section “ST/Medians / 12SL Tab” on page 12-29).
Note
Significant arrhythmias are displayed with red waveforms.
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