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126 Stratos LV/LV-T Technical Manual
5.4.2 Burst Stimulation
Burst Stimulation offers a burst of pacing pulses to either atrium
or ventricle when the programming wand is placed directly over
the CRT-P. The duration of the burst is as long as the burst key
on the programmer is touched. When the burst key is no longer
touched, the program reverts to the backup program. Should the
wand be removed, the pulse generator reverts to the permanent
program.
Burst Stimulation may be stepped up or down from the nominal
value to user-defined high or low limits as long as the selection is
touched on the touch screen. When the Step Up or Step Down
key is touched, NIPS is invoked starting at the nominal burst rate
and then steps up or down respectively in 25 ppm steps. As
soon as the step up or step down key is released, NIPS
terminates. Subsequent inductions resume at the initially
programmed burst rate.
5.4.3 Programmed Stimulation
Programmed Stimulation offers burst pacing at specifically
defined intervals that are user defined. Programmed stimulation
offers S1-S1, S1-S2, S2-S3, S3-S4, S4-S5 individual intervals.
In addition, up to 7 cycles are available containing a
programmable pause of up to 50 seconds. The last selected
interval decrements in 0 to 100 ms steps. As with Burst
Stimulation, the pacing mode switches to the permanent
program when the wand is removed.
5.4.4 Back up Pacing
The back up pacing program remains active once NIPS has
been selected and remains active during burst or programmed
burst stimulation and within this menu. This program remains
active until the Stop touch key is pressed.
CAUTION
Short Pacing Intervals – Use of short pacing intervals (high
pacing rates) with long atrial and/or ventricular refractory
periods may result in intermittent asynchronous pacing and,
therefore, may be contraindicated in some patients.