Systems and methods of characterizing mechanical activation patterns for rhythm discrimination and therapy

Patent metadata

Field	Value
Publication number	US-8965504-B2
Application number	US-201313781178-A
Country	US
Kind code	B2
Filing date	Feb 28, 2013
Priority date	Mar 2, 2012
Publication date	Feb 24, 2015
Grant date	Feb 24, 2015

Abstract

An implantable sensor circuit can be configured to generate a first sensor signal representative of mechanical activation of a first chamber of a heart of a subject and a second sensor signal representative of mechanical activation of a second chamber of the heart. A chamber synchrony measurement circuit can be configured to generate a measure of synchrony of the mechanical activations of the first heart chamber and the second heart chamber using the first and second sensor signals, a tachyarrhythmia detector circuit, and a control circuit. The control circuit can be configured to receive an indication of a detected episode of tachyarrhythmia, and to initiate, select, or adjust a device-based therapy at least in part using the measure of synchrony of the mechanical activations in response to the tachyarrhythmia detection.

First claim

What is claimed is:

1. An apparatus comprising:
an implantable sensor circuit configured to generate a first sensor signal, different from an intrinsic electrical cardiac signal, representative of mechanical activation of a first chamber of a heart of a subject and a second sensor signal, also different from an intrinsic electrical cardiac signal, representative of mechanical activation of a second chamber of the heart;
a chamber synchrony measurement circuit configured to gener…

Assignees

• Cardiac Pacemakers Inc

Inventors

• Li Dan

Classifications

• A61N1/36521

  Human Necessities · mapped topic

• A61N1/3621 Primary

  Human Necessities · mapped topic

• A61N1/36578

  Human Necessities · mapped topic