Electronic capture detection for a pacer

Details Electronic capture detection for a pacer Electronic capture detection for a pacer

1990-12-12

1993-11-30

Kamm, William E.

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

607 28, A61N 1362

Patent

active

052656039

ABSTRACT:
A pacemaker sense amplifier which includes active circuitry which establishes and attempts to maintain a constant field density between two electrodes, effectively clamping them together at substantially fixed relative electrical potentials. The amount of current or power provided to the electrodes monitored and forms the basis of detection of the passing cardiac depolarization wavefront. A timer is sued to define a detection window after the generation of a pacing pulse. The occurrence of a detected depolarization within the detection window is indicates that the pacing pulse has captured the heart.

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"The Action Potential in the Smooth Muscle of the Guinea Pig Teania Coli and Ureter Studied by the Dougle Sucrose-Gap Method" by H. Kuriyama, et al. published in The Journal of General Physiology, vol. 55, No. 2, Feb. 1970.

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