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Method of detecting and classifying arrhythmias

a technology of hemodynamic sensors and cardiac pacemakers, applied in the field of cardiac pacemakers, defibrillators and implanted hemodynamic sensors, can solve the problems of inability to accurately detect and classify arrhythmias, difficulty in solely relying on, and increased importance of timing cycles, so as to improve hemodynamic performance and ensure safe cardiac stimulation operation

Inactive Publication Date: 2013-05-23
ROM RAMI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The invention combines information from hemodynamic sensors and intracardiac electrograms to make cardiac stimulation safer and more reliable. This approach takes advantage of the fact that hemodynamic sensors are already being used in implanted cardiac devices and the objective is to make use of the complementary data they provide. In summary, the technical effect of the invention is to improve the accuracy and safety of cardiac stimulation by incorporating information from hemodynamic sensors.

Problems solved by technology

Under conditions of cardiac arrhythmias, these timing cycles become even more important and complicated to manage.
The difficulty associated with depending solely on the IEGMs stems from the fact that the sensed signals are local and weak, having an amplitude of only several milli-volts with strong coupling from ventricle to atria and ventricle to ventricle.
Hence the IEGMs can be misinterpreted by the device controller which can lead to inappropriate pacing.

Method used

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  • Method of detecting and classifying arrhythmias
  • Method of detecting and classifying arrhythmias
  • Method of detecting and classifying arrhythmias

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Embodiment Construction

[0032]Illustrative embodiments of the invention are described below. In the interest of clarity, not all features of an actual implementation are described in this specification. It will of course be appreciated that in the development of any such actual embodiment, numerous implementation-specific decisions must be made to achieve the developers' specific goals, such as compliance with system-related and business-related constraints, which will vary from one implementation to another. Moreover, it will be appreciated that such a development effort might be complex and time-consuming, but would nevertheless be a routine undertaking for those of ordinary skill in the art having the benefit of this disclosure.

[0033]In accordance with some embodiments of the present invention hemodynamic sensor signals are used to validate the electrical stimulation produced by a pacemaker or a defibrillator. To explain the application of the invention in very general terms, reference is first made to ...

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Abstract

A method of detecting and classifying cardiac arrhythmias, comprising: receiving a hemodynamic wave signal from at least one hemodynamic sensor by a processor; receiving a cardiac electrical wave signal from a cardiac stimulation device by the processor; integrating, by the processor, the received hemodynamic wave signal and the received cardiac electrical wave signal; determining if a heart arrhythmia is present via examination of the regularity of the hemodynamic signal; and if a heart arrhythmia is determined, classifying the arrhythmia according to a time correlation between the hemodynamic signal and the electrical signal.

Description

CROSS REFERENCE TO RELATED APPLICATIONS[0001]The present patent application claims the benefit of priority to British Patent Application Serial Number GB 0516220.1, filed Aug. 8, 2005, entitled “CARDIAC STIMULATION WITH HEMODYNAMIC SENSOR GUARD”. This application is a divisional patent application of U.S. patent application Ser. No. 12 / 063,245, filed Feb. 8, 2008, entitled “CARDIAC STIMULATION WITH HEMODYNAMIC SENSOR GUARD”, published Aug. 5, 2010, under publication number US 2010 / 0198285, which was a national stage entry of International Patent Application Serial Number PCT / IL2006 / 000906, filed Aug. 6, 2006, entitled “CARDIAC STIMULATION WITH HEMODYNAMIC SENSOR GUARD”, published Feb. 15, 2007, under publication number WO 2007 / 017863; all of which are incorporated herein by reference.TECHNICAL FIELD[0002]The present invention relates generally to cardiac pacemakers, defibrillators and implanted hemodynamic sensors and more specifically to cardiac pacing timing cycles, safety and rel...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): A61B5/046A61B5/0464A61B5/363A61B5/361
CPCA61N1/36514A61B5/0464A61B5/046A61N1/3956A61N1/36585A61N1/025A61N1/05A61N1/046
Inventor ROM, RAMI
Owner ROM RAMI