AU2001293572A1 - Method and system for detection of cardiac arrhythmia - Google Patents

Method and system for detection of cardiac arrhythmia

Info

Publication number
AU2001293572A1
AU2001293572A1 AU2001293572A AU9357201A AU2001293572A1 AU 2001293572 A1 AU2001293572 A1 AU 2001293572A1 AU 2001293572 A AU2001293572 A AU 2001293572A AU 9357201 A AU9357201 A AU 9357201A AU 2001293572 A1 AU2001293572 A1 AU 2001293572A1
Authority
AU
Australia
Prior art keywords
atrial fibrillation
density
deltarrs
histograms
intervals
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
AU2001293572A
Inventor
Leon Glass
Katsumi Tateno
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
McGill University
Original Assignee
McGill University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by McGill University filed Critical McGill University
Publication of AU2001293572A1 publication Critical patent/AU2001293572A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/024—Detecting, measuring or recording pulse rate or heart rate
    • A61B5/02405—Determining heart rate variability
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
    • A61B5/346—Analysis of electrocardiograms
    • A61B5/349—Detecting specific parameters of the electrocardiograph cycle
    • A61B5/35—Detecting specific parameters of the electrocardiograph cycle by template matching
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
    • A61B5/346—Analysis of electrocardiograms
    • A61B5/349—Detecting specific parameters of the electrocardiograph cycle
    • A61B5/361—Detecting fibrillation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
    • A61B5/346—Analysis of electrocardiograms
    • A61B5/349—Detecting specific parameters of the electrocardiograph cycle
    • A61B5/363—Detecting tachycardia or bradycardia
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
    • A61B5/346—Analysis of electrocardiograms
    • A61B5/349—Detecting specific parameters of the electrocardiograph cycle
    • A61B5/352—Detecting R peaks, e.g. for synchronising diagnostic apparatus; Estimating R-R interval
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/38—Applying electric currents by contact electrodes alternating or intermittent currents for producing shock effects
    • A61N1/39—Heart defibrillators
    • A61N1/3925—Monitoring; Protecting

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Cardiology (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Physiology (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Electrotherapy Devices (AREA)

Abstract

There are many different serious cardiac arrhythmias. The present invention uses measurements of RR intervals (interbeat intervals) to detect, in particular but not exclusively, atrial fibrillation of a patient. Atrial fibrilation is a serious ailment in which the heartbeat is generally rapid and irregular. Probability density histograms of DeltaRRs (difference between two successive RR intervals) collected during atrial fibrillation of a plurality of subjects are used as a template for the detection of atrial fibrillation. In one implementation, there are 16 standard probability density DeltaRRs histograms every 50 ms of mean RR interval of a certain number of beats, where the mean RR interval ranges from 350 ms to 1149 ms. Similarity between the standard probability density histograms and a test density probability histogram of DeltaRRs of a patient is estimated by the Kolmogorov-Smirnov test. If the test density histogram is not significantly different from the standard density histogram, atrial fibrillation is detected.
AU2001293572A 2000-09-20 2001-09-20 Method and system for detection of cardiac arrhythmia Abandoned AU2001293572A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US23419800P 2000-09-20 2000-09-20
US60234198 2000-09-20
PCT/CA2001/001360 WO2002024068A1 (en) 2000-09-20 2001-09-20 Method and system for detection of cardiac arrhythmia

Publications (1)

Publication Number Publication Date
AU2001293572A1 true AU2001293572A1 (en) 2002-04-02

Family

ID=22880356

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001293572A Abandoned AU2001293572A1 (en) 2000-09-20 2001-09-20 Method and system for detection of cardiac arrhythmia

Country Status (10)

Country Link
US (1) US7120485B2 (en)
EP (1) EP1322223B1 (en)
AT (1) ATE362729T1 (en)
AU (1) AU2001293572A1 (en)
CA (1) CA2422851A1 (en)
DE (1) DE60128578T2 (en)
DK (1) DK1322223T3 (en)
IL (1) IL154882A0 (en)
PT (1) PT1322223E (en)
WO (1) WO2002024068A1 (en)

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US7734335B2 (en) * 2005-09-29 2010-06-08 Hewlett-Packard Development Company, L.P. Method and apparatus for improving the accuracy of atrial fibrillation detection in lossy data systems
US7846106B2 (en) * 2006-04-26 2010-12-07 The General Electric Company Atrial fibrillation detection using SPO2
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US7634310B2 (en) * 2006-10-30 2009-12-15 Medtronic, Inc. Method and apparatus for atrial fibrillation detection based on ventricular cycle lengths
US7840676B2 (en) * 2007-01-30 2010-11-23 Hewlett-Packard Development Company, L.P. Method and system for shedding load in physiological signals processing
US7761140B2 (en) * 2007-01-30 2010-07-20 Hewlett-Packard Development Company, L.P. State-based load shedding for physiological signals
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EP2490587A1 (en) 2009-10-20 2012-08-29 Widemed Ltd. Method and system for detecting cardiac arrhythmia
KR101513288B1 (en) 2010-05-12 2015-04-17 아이리듬 테크놀로지스, 아이엔씨 Device features and design elements for long-term adhesion
BR112013026603A8 (en) 2011-04-15 2018-03-06 Infobionic Inc multi-layer analysis remote data collection and monitoring system
US8744559B2 (en) 2011-08-11 2014-06-03 Richard P. Houben Methods, systems and devices for detecting atrial fibrillation
JP6198849B2 (en) 2013-01-24 2017-09-20 アイリズム・テクノロジーズ・インコーポレイテッドｉＲｈｙｔｈｍ Ｔｅｃｈｎｏｌｏｇｉｅｓ，Ｉｎｃ． Electronic device for monitoring physiological signals and method for removing and replacing parts of the electronic device
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Also Published As

Publication number Publication date
IL154882A0 (en) 2003-10-31
WO2002024068A1 (en) 2002-03-28
DE60128578D1 (en) 2007-07-05
EP1322223A1 (en) 2003-07-02
ATE362729T1 (en) 2007-06-15
CA2422851A1 (en) 2002-03-28
DE60128578T2 (en) 2008-01-31
US20050165320A1 (en) 2005-07-28
US7120485B2 (en) 2006-10-10
PT1322223E (en) 2007-06-08
DK1322223T3 (en) 2007-06-25
EP1322223B1 (en) 2007-05-23

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