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Apparatus for identifying sick sinus syndrome in an implantable cardiac monitoring device

A technology for sick sinus syndrome, monitoring equipment, used in cardiac stimulators, cardiac defibrillators, applications, etc.

Active Publication Date: 2017-12-01
MEDTRONIC INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The AV node will be bombarded by frequent and irregular atrial activation, but will conduct depolarizing signals only when the AV node should not

Method used

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  • Apparatus for identifying sick sinus syndrome in an implantable cardiac monitoring device
  • Apparatus for identifying sick sinus syndrome in an implantable cardiac monitoring device
  • Apparatus for identifying sick sinus syndrome in an implantable cardiac monitoring device

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Embodiment Construction

[0029] In the following description, reference is made to illustrative embodiments for performing the methods described herein. It is understood that other embodiments may be utilized without departing from the scope of the present disclosure.

[0030] The methods presented herein can be embodied in software, hardware or firmware in an implantable or external medical device. Such devices include implantable monitoring devices with cardiac EGM / ECG monitoring capabilities and associated EGM / ECG sensing electrodes, which may be intracardiac, epicardial, or subcutaneous. Such a device may have at least two electrodes, a plurality of electrodes, at least a plurality of electrodes or two electrodes.

[0031] The methods described herein can also be incorporated into implantable medical devices with therapy delivery capabilities, such as single or biventricular pacing systems or ICDs that sense R-waves in the ventricles and deliver electrical stimulation therapy to the ventricles ....

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PUM

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Abstract

A cardiac monitoring device for determining the occurrence of a sick sinus syndrome condition of a patient that includes electrodes to sense a cardiac signal, a sensing module electrically coupled to the electrodes having circuitry positioned therein to receive the sensed cardiac signal, and a processor coupled to the sensing module and configured to determine an RR interval variability during an RR interval variability session in response to the sensed cardiac signal, determine whether a P-wave occurs during the RR interval variability session, determine whether a sick sinus indicator is satisfied in response to a P-wave occurring, increment a sick sinus count in response to the sick sinus indicator being satisfied, determine whether a sick sinus burden is satisfied in response to the sick sinus count being incremented, and determine the occurrence of sick sinus syndrome in response to the sick sinus burden being satisfied.

Description

technical field [0001] The present disclosure relates generally to implantable medical devices, and in particular to a method and apparatus for identifying sick sinus syndrome in an implantable cardiac monitoring device. Background technique [0002] During normal sinus rhythm (NSR), the heartbeat is regulated by electrical signals generated by the sinoatrial (SA) node located in the wall of the right atrium. Each atrial depolarization signal generated by the SA node spreads over the atria (thereby causing depolarization and contraction of the atria) and reaches the atrioventricular (A-V) node. The A-V node responds by propagating ventricular depolarizing signals through the His bundle of the ventricular septum and subsequently to the bundle branches and Purkinje muscle fibers of the right and left ventricles. [0003] Atrial tachyarrhythmias include unorganized forms of atrial fibrillation and various degrees of organized atrial tachycardia, including atrial flutter. Atri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/00A61B5/04A61B5/042A61B5/0452A61B5/0456A61B5/046A61N1/362A61N1/365A61N1/39A61B5/352A61B5/361A61B5/363
CPCA61B5/686A61N1/3624A61N1/36507A61N1/36592A61N1/395A61N1/3987A61B5/316A61B5/24A61B5/287A61B5/352A61B5/361A61B5/363A61B5/349
Inventor S·萨卡
Owner MEDTRONIC INC
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