Automatic determination of T-shock vulnerable window

Details Automatic determination of T-shock vulnerable window Automatic determination of T-shock vulnerable window

2007-10-03

2011-11-22

Layno, Carl H (Department: 3766)

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

C607S009000

Reexamination Certificate

active

08064996

ABSTRACT:
A method and apparatus for determining a T-wave shock interval sense a cardiac electrogram (EGM) signal comprising a T-wave signal. A T-wave center is determined from the EGM signal, and a T-wave shock interval is determined in response to determining the T-wave center. A T-wave shock is delivered at the T-wave shock interval computed based on the T-wave center.

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Shehata et al. “Automatic Determination of Timing Intervals for upper limit of vulnerability using ICD Electrograms”, PACE, vol. 31, Jun. 2008, pp. 691-700, XP002500636.
International Search Report, PCT/US2008/071144, Nov. 26, 2008, 9 Pages.

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