Hysteresis activation of accelerated pacing

Details Hysteresis activation of accelerated pacing Hysteresis activation of accelerated pacing

2005-05-03

2005-05-03

Bockelman, Mark (Department: 3762)

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

Reexamination Certificate

active

06889078

ABSTRACT:
An improved pacemaker has a hysteresis feature that activates accelerated pacing during periods of sinus arrest and/or extreme bradycardia. When the patient's intrinsic heart rate drops below a hysteresis rate, the pacemaker reverts to a programmable accelerated rate or to the average cardiac rate. Accelerated pacing is delivered for a programmable period of time, after which the pacing rate is gradually reduced toward a lower rate. If a desirable intrinsic rate is not attained after the pacing rate is reduced to the lower rate, the intervention cycle repeats.

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