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Method and apparatus for detecting atrial tachyarrhythmia using heart sounds

A technology of arrhythmia and tachycardia, applied in application, electrotherapy, cardiac stimulator, etc., can solve problems affecting the effectiveness of heart failure therapy

Active Publication Date: 2017-02-22
CARDIAC PACEMAKERS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For example, most heart failure patients also experience atrial fibrillation (AF), which can affect the effectiveness of therapies to treat heart failure

Method used

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  • Method and apparatus for detecting atrial tachyarrhythmia using heart sounds
  • Method and apparatus for detecting atrial tachyarrhythmia using heart sounds
  • Method and apparatus for detecting atrial tachyarrhythmia using heart sounds

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Embodiment Construction

[0025] In the following detailed description, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of illustrations specific embodiments in which the invention may be practiced. These embodiments are described in sufficient detail to enable those skilled in the art to practice the invention, and it is to be understood that the embodiments may be combined and other embodiments may be utilized without departing from the spirit and scope of the invention. , and structural, logical and electrical changes are possible. The following detailed description provides examples, and the scope of the invention is defined by the appended claims and their legal equivalents.

[0026] Herein, the term "a" or "an" is used as is commonly used in the patent literature to include one or more than one. As used herein, the term "or" is used to refer to a non-exclusive or, unless otherwise indicated. Furthermore, all publications, patents, and pate...

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Abstract

A cardiac rhythm management system senses a cardiac signal indicative of heartbeats and an acoustic signal indicative of heart sounds and detects atrial tachyarrhythmia based on the sensed cardiac and acoustic signals. In various embodiments, the system senses the cardiac and acoustic signals without using an atrial lead, thus allowing for, for example, monitoring atrial fibrillation burden in a heart failure patient who does not wear an implantable device with an atrial lead. In various embodiments, the system detects heartbeats and heart sounds, measures parameters associated with the detected heartbeats and heart sounds, and detects one or more specified types of atrial tachyarrhythmia using the measured parameters. In various embodiments, the measured parameters are selected from heart rate, heart sound amplitude, cycle length variability, and systolic and diastolic intervals.

Description

[0001] priority statement [0002] This application claims priority under 35 U.S.C. §119(e) to U.S. Provisional Patent Application Serial No. 62 / 006,446, filed June 2, 2014, which is hereby incorporated by reference in its entirety. [0003] Cross References to Related Applications [0004] This application is related to co-pending, commonly assigned Provisional U.S. Patent Application No. 62 / 004,481, entitled "SYSTEM AND METHODS FOR DETECTING ATRIALTACHYARRHYTHMIA USING HEMODYNAMIC SENSORS," filed May 29, 2014, which is incorporated by reference in its entirety to In this article. technical field [0005] This document relates generally to cardiac rhythm management, and in particular to the use of a patient's heart rate and heart sounds to detect atrial tachyarrhythmias. Background technique [0006] The heart is the center of the human circulatory system. It includes an electromechanical system that performs two main pumping functions. The left side of the heart draws ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/024A61B5/0402A61B5/00A61B7/00A61N1/362A61N1/365A61N1/372A61B5/046A61B5/363A61B5/361
CPCA61B5/024A61B5/686A61B7/00A61N1/3624A61N1/3627A61N1/365A61N1/36578A61N1/37282A61B5/361A61B5/318A61B7/04A61B5/0245A61B5/7275A61B5/363A61B5/346
Inventor 普拉莫德辛格·希拉辛格·塔库尔安琪巴伦·马斯卡巴
Owner CARDIAC PACEMAKERS INC
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