Capture management improvements

Details Capture management improvements Capture management improvements

A - Human Necessities

61

N

A61N 1/37 (2006.01) A61N 1/368 (2006.01)

Patent

CA 2525375

A capture detection algorithm detects and distinguishes atrial capture . Atrial chamber reset (ACR) and AV conduction (AVC) algorithms are implemented to measure an atrial pacing threshold The data that is used to choose between ACR and AVC methods is used to determine the progression of the patient's disease state. Some of the significant aspects of the invention include enablement of accurate threshold measurements, including calculation of stability criteria, precise interval measurements and the use of reference interval to determine capture and loss of capture.

L'invention concerne un algorithme de détection de capture permettant de détecter et de distinguer une capture auriculaire. Des algorithmes de stimulation auriculaire (ACR) et de conduction auriculo-ventriculaire (AVC) sont mis en oeuvre pour mesurer un seuil de stimulation auriculaire. Les données utilisées pour choisir entre des méthodes ACR et AVC permettent de déterminer l'évolution de l'état pathologique chez le patient. L'invention se caractérise principalement par le fait qu'elle permet d'obtenir des mesures de seuil précises et, notamment, de calculer des critères de stabilité, de mesurer des intervalles précis, et d'utiliser des intervalles de référence pour détecter une capture ou une perte de capture.

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