User's Manual

104
Diagnostic Memory Functions (Statistics)
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Figure 27: Arrhythmia detection
The diagnostically relevant arrhythmia ranges can be set as follows:
— ST/AT range between 80...(10)...200 ppm
— Afl/AF range between 100...(10)...400 ppm
In addition to the arrhythmia ranges, other criteria must be fulfilled:
— Activation criteria
— Atrial rate stability
— Sudden rate increase
Note: All classifications are exclusively for diagnostic
purposes, i.e., in case of arrhythmia this fact is
documented, but the cardiac pacemaker does not
automatically respond with therapy.
AT Histogram
In the AT histogram, the events are displayed in 9 arrhythmia ranges,
whereby the number and type of the ATs are indicated. The transitions
from a tachycardic phase to other phases as well as the number of
episodes are counted.
The programmed areas of the various ATs are also displayed.