Adaptive windowing for cardiac waveform discrimination

Details Adaptive windowing for cardiac waveform discrimination Adaptive windowing for cardiac waveform discrimination

2005-04-28

2009-08-11

Schaetzle, Kennedy J. (Department: 3766)

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

C600S509000, C607S027000

Reexamination Certificate

active

07574260

ABSTRACT:
Cardiac devices and methods provide adaptation of detection windows used to determine a cardiac response to pacing. Adapting a detection window involves sensing a cardiac signal indicative of a particular type of cardiac pacing response, and detecting a feature of the sensed cardiac signal. The cardiac response detection window associated with the type of cardiac pacing response is preferentially adjusted based on the location of the detected cardiac feature. Preferential adjustment of the detection window may involve determining a direction of change between the detection window and the detected feature. The detection window may be adapted more aggressively in a more preferred direction and less aggressively in a less preferred direction.

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