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System for arrhythmia detection

A technology for arrhythmia and detectors, applied in application, diagnostic recording/measurement, treatment, etc., can solve problems such as inappropriately fast and irregular heart rate, irregular conduction of ventricles, etc.

Active Publication Date: 2019-06-04
CARDIAC PACEMAKERS INC
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AI Technical Summary

Problems solved by technology

During AF, disorganized electrical impulses originating in areas in or near the atria may cause irregular conduction to the ventricles, resulting in an inappropriately fast and irregular heart rate

Method used

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  • System for arrhythmia detection
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Embodiment Construction

[0044] Disclosed herein are systems, devices and methods for detecting cardiac arrhythmias such as atrial fibrillation (AF). The AF detection system includes sensor circuitry for sensing physiological signals, a heartbeat processor for identifying beat patterns using cycle lengths of more than two consecutive cardiac cycles. Beat patterns may indicate the temporal relationship between successive cardiac cycles. The heartbeat processor can generate repeatability indicators based on statistical measurements of various beat patterns. The AF detection system includes an arrhythmia detector for detecting AF based on the repeatability indicator and distinguishing AF from other arrhythmias with atrioventricular conduction abnormalities.

[0045] figure 1 An example of a cardiac rhythm management (CRM) system 100 and portions of an environment in which the CRM system 100 may operate are generally shown. The CRM system 100 may include: an ambulatory medical device, such as an implan...

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Abstract

Systems and methods for detecting cardiac arrhythmias such as an atrial fibrillation (AF) are described herein. The AF detection system includes a sensor circuit to sense a physiological signal, a heartbeat processor to recognize a plurality of beat patterns using cycle length of two more consecutive cardiac cycles. The beat patterns can be indicative of temporal relationship between the consecutive cardiac cycles. The heartbeat processor may generate a repetitiveness indictor based on a statistical measurement of various beat patterns. The AF detection system includes an arrhythmia detector to detect an episode of AF based on the repetitiveness indictor, and to discriminate the AF from other arrhythmias of atrio-ventricular conduction abnormalities.

Description

[0001] priority claim [0002] This application claims the benefit of priority under 35 U.S.C § 119(e) of U.S. Provisional Patent Application Serial No. 62 / 409,515, filed October 18, 2016, which is incorporated herein by reference in its entirety. technical field [0003] This document relates generally to medical devices and, more particularly, to systems, devices, and methods for detecting and managing cardiac arrhythmias. Background technique [0004] Implantable medical devices (IMDs) have been used to monitor a patient's health or disease state and deliver therapy. For example, an implantable cardioverter-defibrillator (ICD) can be used to monitor certain abnormal heart rhythms and deliver electrical energy to the heart to correct the abnormal rhythm. Some IMDs can be used to monitor chronic deterioration of cardiac hemodynamic performance, such as due to congestive heart failure (CHF), and to provide cardiac stimulation therapy, including cardiac resynchronization the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/046A61B5/00A61B5/361
CPCA61B5/7264G16H50/20A61B5/361A61B5/349A61N1/3621A61N1/3627A61N1/3925A61N1/3956
Inventor 大卫·L·佩什巴赫阿尔琼·D·沙玛苏尼帕·萨哈克日什托夫·Z·西尔耶科
Owner CARDIAC PACEMAKERS INC
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