Method and apparatus for providing enhanced 2:1 block response w

Details Method and apparatus for providing enhanced 2:1 block response w Method and apparatus for providing enhanced 2:1 block response w

1995-02-07

1997-02-11

Kamm, William E.

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

A61N 1362

Patent

active

056016131

ABSTRACT:
An implantable dual-chamber pacemaker programmed to operate primarily in an atrial tracking mode is provided, where the pacemaker maintains a consistent atrial rate of entry into, and exit from, a 2:1 block response mode by setting rate-responsive AV delay values in accordance with a continually monitored intrinsic atrial rate incorporating atrial events occurring during atrial refractory periods. The atrial rate of entry into, and exit from the 2:1 block response mode is determined by the length of a total atrial refractory period, which is the sum of the rate-responsive AV delay and a programmable refractory period.

REFERENCES:
patent: 4429697 (1984-02-01), Nappholz et al.
patent: 5103820 (1992-04-01), Markowitz
patent: 5395397 (1995-03-01), Lindgren et al.

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