Dual chamber pacing with interchamber delay

Details Dual chamber pacing with interchamber delay Dual chamber pacing with interchamber delay

A - Human Necessities

61

N

A61N 1/368 (2006.01) A61N 1/362 (2006.01)

Patent

CA 2248952

A method and apparatus for determining the origin of a cardiac signal in the heart of a patient. A cardiac stimulator includes a multiple-chamber electrode arrangement having at least two electrodes positioned to sense and/or pace different chambers of the heart. The electrodes switch from a bipolar configuration to an unipolar configuration in order to verify the point of origin for the cardiac signal and in order to determine whether propagation of the cardiac signal occurs. The apparatus allows simultaneous and timed pacing of left and right chambers.

L'invention concerne un procédé et un appareil de détermination de l'origine d'un signal cardiaque dans le coeur d'un patient. Un stimulateur cardiaque comprend un agencement d'électrodes à plusieurs chambres dans lequel au moins deux électrodes sont positionnées de façon à détecter et/ou stimuler différentes chambres du coeur. Les électrodes commutent d'une configuration bipolaire à une configuration unipolaire afin de vérifier le point d'origine du signal cardiaque et de déterminer si la propagation du signal cardiaque a bien lieu. L'appareil permet une stimulation simultanée et temporisée des chambres gauche et droite.

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