Implantable cardiac stimulation device providing atrial accelerated arrhythmia termination electrode configuration selection and method

摘要

An implantable cardiac stimulation device includes a system for terminating atrial accelerated arrhythmias of the heart. The system includes at least one lead including a plurality of electrodes adapted to define a plurality of atrial accelerated arrhythmia termination electrode configurations and an arrhythmia detector that detects an atrial tachyarrhythmia of the heart. The system further includes an electrode configuration selector that selects one of the plurality of electrode configurations for termination of the detected atrial tachyarrhythmia based upon a measure of at least one predetermined characteristic of the detected atrial accelerated arrhythmia. The system still further includes a therapy circuit that provides atrial tachyarrhythmia termination therapy to the selected electrode configuration.