Dual chamber pacemaker with AV extension and PMT control

Details Dual chamber pacemaker with AV extension and PMT control Dual chamber pacemaker with AV extension and PMT control

1992-02-04

1993-09-28

Kamm, William E.

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

A61N 1362

Patent

active

052479293

ABSTRACT:
A dual chamber pacemaker is provided having incorporated therein a VA conduction test for concurrently testing for the conditions of retrograde conduction (RC) and far field R wave sensing (FFRS). The pacemaker changes the AV or VV interval to a predetermined interval over a number of pacemaker cycles, and determines whether the VA interval remains substantially unchanged, i.e., the VA intervals are substantially equal. When VA interval equality is determined, the pacemaker checks the measure of VA interval with stored RC and FFRS criteria to determine whether either can be verified. Respective corrective steps are taken if either RC or FFRS is verified.

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