Capture verification using an evoked response reference

Details Capture verification using an evoked response reference Capture verification using an evoked response reference

2007-03-13

2007-03-13

Pezzulo, Robert E. (Department: 3766)

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

C607S028000, C600S509000

Reexamination Certificate

active

10335599

ABSTRACT:
A method and system for verifying capture in the heart involves the use of pacing artifact templates. One or more pacing artifact templates characterizing a post pace artifact signal associated with a particular pace voltage or range of voltages are provided. A pacing artifact template is canceled from a cardiac signal sensed following a pacing pulse. Capture is detected by comparing the pacing artifact canceled cardiac signal to an evoked response reference. Fusion/pseudofusion detection involves determining a correlation between a captured response template and a sensed cardiac signal.

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