WO2000057778A8 - Method and apparatus for analyzing electrocardiogram signals - Google Patents

Method and apparatus for analyzing electrocardiogram signals

Info

Publication number
WO2000057778A8
WO2000057778A8 PCT/US2000/006798 US0006798W WO0057778A8 WO 2000057778 A8 WO2000057778 A8 WO 2000057778A8 US 0006798 W US0006798 W US 0006798W WO 0057778 A8 WO0057778 A8 WO 0057778A8
Authority
WO
WIPO (PCT)
Prior art keywords
electrocardiogram signals
analyzing electrocardiogram
axis shift
electrocardiogram
analyzing
Prior art date
Application number
PCT/US2000/006798
Other languages
French (fr)
Other versions
WO2000057778A1 (en
WO2000057778A9 (en
Inventor
Robert W Stadler
Shannon D Nelson
Original Assignee
Medtronic Inc
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 Medtronic Inc filed Critical Medtronic Inc
Priority to EP00916365A priority Critical patent/EP1164930B1/en
Priority to DE60020349T priority patent/DE60020349T2/en
Publication of WO2000057778A1 publication Critical patent/WO2000057778A1/en
Publication of WO2000057778A8 publication Critical patent/WO2000057778A8/en
Publication of WO2000057778A9 publication Critical patent/WO2000057778A9/en

Links

Classifications

    • 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
    • A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/362—Heart stimulators
    • A61N1/37—Monitoring; Protecting
    • 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]
    • A61B5/339—Displays specially adapted therefor
    • A61B5/341—Vectorcardiography [VCG]
    • 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
    • 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
    • A61B5/358—Detecting ST segments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7203—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S128/00—Surgery
    • Y10S128/901—Suppression of noise in electric signal

Abstract

We show how to determine whether there has been an axis shift in an electrocardiogram waveform and how to use this for filtering out bad electrocardiogram information and to modify an adaptive filter that can be used to adapt the filtering of such electrocardiogram information to make it available for determining physiologic conditions even after an axis shift.
PCT/US2000/006798 1999-03-29 2000-03-15 Method and apparatus for analyzing electrocardiogram signals WO2000057778A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP00916365A EP1164930B1 (en) 1999-03-29 2000-03-15 Method and apparatus for analyzing electrocardiogram signals
DE60020349T DE60020349T2 (en) 1999-03-29 2000-03-15 DEVICE FOR ANALYZING ELECTROGRAM SIGNALS

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/280,203 US6324421B1 (en) 1999-03-29 1999-03-29 Axis shift analysis of electrocardiogram signal parameters especially applicable for multivector analysis by implantable medical devices, and use of same
US09/280,203 1999-03-29

Publications (3)

Publication Number Publication Date
WO2000057778A1 WO2000057778A1 (en) 2000-10-05
WO2000057778A8 true WO2000057778A8 (en) 2001-05-25
WO2000057778A9 WO2000057778A9 (en) 2001-06-21

Family

ID=23072108

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2000/006798 WO2000057778A1 (en) 1999-03-29 2000-03-15 Method and apparatus for analyzing electrocardiogram signals

Country Status (4)

Country Link
US (2) US6324421B1 (en)
EP (1) EP1164930B1 (en)
DE (1) DE60020349T2 (en)
WO (1) WO2000057778A1 (en)

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US6397100B2 (en) 2002-05-28
US6324421B1 (en) 2001-11-27
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WO2000057778A9 (en) 2001-06-21
US20020016548A1 (en) 2002-02-07
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