Heart pacemaker for avoiding pacemaker mediated tachycardia at m

Details Heart pacemaker for avoiding pacemaker mediated tachycardia at m Heart pacemaker for avoiding pacemaker mediated tachycardia at m

1987-03-05

1989-02-07

Jaworski, Francis J.

Surgery

Truss

Pad

A61N 100, H05G 0000

Patent

active

048024830

ABSTRACT:
An atrial synchronous heart pacemaker has circuitry for stimulating the atrium and sensing atrial events and circuitry for stimulating the ventricle and sensing ventricular events, switching circuitry connected to the atrial and ventricular stimulation circuitry which switches between selected stimulation modes, including an atrial synchronous mode, upon the occurrence of a predetermined heart condition, and a delay element connected to the switching circuitry which delays switching to the atrial synchronous mode until after a selected delay following sensing of the predetermined heart condition which caused the switching to the atrial synchronous mode. The pacemaker is particularly suited for improving transition between a VVI pacing mode and a DDD pacing mode.

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