Methods and devices for accurately classifying cardiac activity

Details Methods and devices for accurately classifying cardiac activity Methods and devices for accurately classifying cardiac activity

A - Human Necessities

61

N

A61N 1/37 (2006.01)

Patent

CA 2723390

Methods, systems, and devices for signal analysis in an implanted cardiac monitoring and treatment device such as an implantable cardioverter defibrillator. In some examples, captured data including detected events is analyzed to identify likely overdetection of cardiac events. In some illustrative examples, when overdetection is identified, data may be modified to correct for overdetection, to reduce the impact of overdetection, or to ignore overdetected data. Several examples emphasize the use of morphology analysis using correlation to static templates and/or inter-event correlation analysis.

Linvention concerne des procédés, des systèmes et des dispositifs danalyse du signal dans un dispositif implanté de surveillance et de traitement cardiaque tel quun défibrillateur cardioverteur. Dans certains exemples, les données capturées, et notamment les événements détectés, sont analysés afin didentifier une surdétection probable des événements cardiaques. Dans certains exemples, lorsquune surdétection est identifiée, les données peuvent être modifiées pour corriger la surdétection, pour réduire limpact de la surdétection ou pour ignorer les données de surdétection. Plusieurs exemples soulignent lutilisation dune analyse de morphologie avec une corrélation à des modèles statiques et/ou une analyse de corrélation inter-événement.

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