Adaptive mode switching in a rate-adaptive pacemaker and hystere

Details Adaptive mode switching in a rate-adaptive pacemaker and hystere Adaptive mode switching in a rate-adaptive pacemaker and hystere

1997-04-28

1998-08-11

Kamm, William E.

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

607 18, 607 17, 607 19, A61N 1365

Patent

active

057922004

ABSTRACT:
A programmable pacemaker and program therefor are disclosed, wherein the pacer is programmed to operate in a first pacing mode whenever the measured atrial rate is less than a certain threshold switching rate R.sub.T, and to operate in a second pacing mode whenever the measured atrial rate is greater than the threshold switching rate R.sub.T. The threshold switching rate R.sub.T is varied based on either a programmed algorithm or the measured value of one or more sensed parameters. In another embodiment, a hysteresis is introduced, so that the rate at which the pacer switches back to its low-activity mode is lower than the rate that triggers a switch to the high-activity mode.

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Intermedics; A Company of Sulzermedica; Marathon.TM. Dual-Chamber Rate-Adaptive Pulse Generators;; (8p.); Jan. 1996.
Intermedics; A Company of Sulzermedica; Marathon.TM. The New Gold Standard in Pacing; Brochure with insert pages; Jan. 1996.

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