Method and apparatus for rate-responsive cardiac pacing

Details Method and apparatus for rate-responsive cardiac pacing Method and apparatus for rate-responsive cardiac pacing

1996-12-26

1999-04-06

Getzow, Scott M.

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

A61N 1365

Patent

active

058911758

ABSTRACT:
Pacemakers have been known to be provided with a lower rate hysteresis mode in which a range of cardiac activity is supported in a hysteresis loop by a pacemaker. The present invention describes a programmable single or dual chamber pacemaker comprising a sensor device which provides signals indicating a level of cardiac activity. The pacemaker has a standard lower rate hysteresis mode available, but is also provided with a sensor rate hysteresis which may be programmable. The signals from the sensor can cause the pacemaker to operate within a hysteresis loop in which at least one of the A-sense Rate and the V-sense Rate in the sensor rate hysteresis is higher than the similar rate in the lower rate hysteresis.

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