User Manual Part 1

3-22
TACHYARRHYTHMIA DETECTION
VENTRICULAR DETECTION
Start Duration.
Start episode.
Duration did not expire.
Duration resets to zero.
Start End-of-Episode timer.
End-of-Episode times out.
Episode is over.
Detection window is no longer satisfied; fewer than 6
of 10 intervals are classified as fast.
Detection window satisfied.
10 s
Detection window does not become satisfied.
Figure 3-14. Nontreated episode, ventricular m od e is Monitor + Therapy or Monitor On ly, du r atio n is no t
expired
10 s
Ta chyarrhythmia sp ontan eously conve rts.
Reconfirmation monitors rhythm for five of ten
slow intervals during charging.
End-of-Episode
times out.
Episode is over.
Reconfirmation indicates
tachyarrhythmia not present;
shock not delivered. Start
End-of-Episode timer.
Start Duration.
Start episode.
Detection met.
Start Charging.
Detection window
satisfied.
F = Fast
S = Slow
Detection window remains satisfied.
F
SSSSS
Charging
Right Ventricle
This example assumes Committed Shock is programmed to Off.
Figure 3-15. Nontreated episode, ventricular mode is Monitor + Therapy and charging is sto pp e d prior
to sh ock delivery
- DRAFT -