CA2471655A1 - Method and system for evaluating arrhythmia risk with qt-rr interval data sets - Google Patents
Method and system for evaluating arrhythmia risk with qt-rr interval data sets Download PDFInfo
- Publication number
- CA2471655A1 CA2471655A1 CA002471655A CA2471655A CA2471655A1 CA 2471655 A1 CA2471655 A1 CA 2471655A1 CA 002471655 A CA002471655 A CA 002471655A CA 2471655 A CA2471655 A CA 2471655A CA 2471655 A1 CA2471655 A1 CA 2471655A1
- Authority
- CA
- Canada
- Prior art keywords
- heart rate
- stage
- subject
- risk
- fluctuations
- 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
Links
- 206010003119 arrhythmia Diseases 0.000 title claims abstract description 89
- 238000000034 method Methods 0.000 title claims abstract description 84
- 230000006793 arrhythmia Effects 0.000 title description 33
- 230000005189 cardiac health Effects 0.000 claims abstract description 5
- 230000003247 decreasing effect Effects 0.000 claims description 47
- 230000008859 change Effects 0.000 claims description 20
- 238000002560 therapeutic procedure Methods 0.000 claims description 18
- 230000000638 stimulation Effects 0.000 claims description 15
- 238000004590 computer program Methods 0.000 claims description 11
- 230000002526 effect on cardiovascular system Effects 0.000 claims description 8
- 230000007423 decrease Effects 0.000 claims description 7
- 238000003860 storage Methods 0.000 claims description 5
- 230000006872 improvement Effects 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 4
- 208000031225 myocardial ischemia Diseases 0.000 claims description 3
- 235000005911 diet Nutrition 0.000 claims description 2
- 230000037213 diet Effects 0.000 claims description 2
- 235000015872 dietary supplement Nutrition 0.000 claims description 2
- 210000003205 muscle Anatomy 0.000 claims description 2
- 238000012216 screening Methods 0.000 claims description 2
- 230000005586 smoking cessation Effects 0.000 claims description 2
- 238000001356 surgical procedure Methods 0.000 claims description 2
- 230000004580 weight loss Effects 0.000 claims description 2
- 230000036996 cardiovascular health Effects 0.000 abstract description 4
- 230000000747 cardiac effect Effects 0.000 description 62
- 238000012360 testing method Methods 0.000 description 48
- 230000006870 function Effects 0.000 description 47
- 230000036961 partial effect Effects 0.000 description 36
- 206010049418 Sudden Cardiac Death Diseases 0.000 description 27
- 230000003750 conditioning effect Effects 0.000 description 23
- 238000012545 processing Methods 0.000 description 21
- 230000000694 effects Effects 0.000 description 20
- 230000036982 action potential Effects 0.000 description 19
- 238000001228 spectrum Methods 0.000 description 15
- 230000000737 periodic effect Effects 0.000 description 12
- 238000004458 analytical method Methods 0.000 description 11
- 239000006185 dispersion Substances 0.000 description 11
- 230000003054 hormonal effect Effects 0.000 description 9
- 238000005259 measurement Methods 0.000 description 9
- 210000004165 myocardium Anatomy 0.000 description 9
- 230000010355 oscillation Effects 0.000 description 9
- 230000033764 rhythmic process Effects 0.000 description 9
- 206010047302 ventricular tachycardia Diseases 0.000 description 9
- 238000005070 sampling Methods 0.000 description 8
- 230000001174 ascending effect Effects 0.000 description 7
- 230000002782 sympathoadrenal effect Effects 0.000 description 7
- 210000001519 tissue Anatomy 0.000 description 7
- 230000002861 ventricular Effects 0.000 description 7
- 230000011128 cardiac conduction Effects 0.000 description 6
- 208000029078 coronary artery disease Diseases 0.000 description 6
- 230000005284 excitation Effects 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 6
- 230000002829 reductive effect Effects 0.000 description 6
- 230000004044 response Effects 0.000 description 6
- 230000002123 temporal effect Effects 0.000 description 6
- 230000007704 transition Effects 0.000 description 6
- 238000012935 Averaging Methods 0.000 description 5
- 238000013459 approach Methods 0.000 description 5
- 210000003403 autonomic nervous system Anatomy 0.000 description 5
- 238000011161 development Methods 0.000 description 5
- 230000001734 parasympathetic effect Effects 0.000 description 5
- 230000004962 physiological condition Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000004422 calculation algorithm Methods 0.000 description 4
- 230000002600 fibrillogenic effect Effects 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 230000001536 pro-arrhythmogenic effect Effects 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 230000002889 sympathetic effect Effects 0.000 description 4
- 238000012404 In vitro experiment Methods 0.000 description 3
- 208000034972 Sudden Infant Death Diseases 0.000 description 3
- 206010042440 Sudden infant death syndrome Diseases 0.000 description 3
- 208000009729 Ventricular Premature Complexes Diseases 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 206010061592 cardiac fibrillation Diseases 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 238000013480 data collection Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009499 grossing Methods 0.000 description 3
- 238000000338 in vitro Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 230000003211 malignant effect Effects 0.000 description 3
- 238000000718 qrs complex Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000009897 systematic effect Effects 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 206010047289 Ventricular extrasystoles Diseases 0.000 description 2
- 239000002876 beta blocker Substances 0.000 description 2
- 229940097320 beta blocking agent Drugs 0.000 description 2
- 230000036471 bradycardia Effects 0.000 description 2
- 210000000748 cardiovascular system Anatomy 0.000 description 2
- 230000001364 causal effect Effects 0.000 description 2
- 238000005094 computer simulation Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003205 diastolic effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 230000002107 myocardial effect Effects 0.000 description 2
- 210000001428 peripheral nervous system Anatomy 0.000 description 2
- 230000000144 pharmacologic effect Effects 0.000 description 2
- 230000002028 premature Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000002336 repolarization Effects 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 210000001013 sinoatrial node Anatomy 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000005309 stochastic process Methods 0.000 description 2
- 238000013517 stratification Methods 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 238000012549 training Methods 0.000 description 2
- 206010003130 Arrhythmia supraventricular Diseases 0.000 description 1
- 206010003662 Atrial flutter Diseases 0.000 description 1
- 208000024172 Cardiovascular disease Diseases 0.000 description 1
- 241000282326 Felis catus Species 0.000 description 1
- HEFNNWSXXWATRW-UHFFFAOYSA-N Ibuprofen Chemical compound CC(C)CC1=CC=C(C(C)C(O)=O)C=C1 HEFNNWSXXWATRW-UHFFFAOYSA-N 0.000 description 1
- 241000908651 Jarra Species 0.000 description 1
- 201000005505 Measles Diseases 0.000 description 1
- 101100063942 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) dot-1 gene Proteins 0.000 description 1
- 208000036364 Normal newborn Diseases 0.000 description 1
- 208000003734 Supraventricular Tachycardia Diseases 0.000 description 1
- 206010047281 Ventricular arrhythmia Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 206010000891 acute myocardial infarction Diseases 0.000 description 1
- 230000002763 arrhythmic effect Effects 0.000 description 1
- 230000003126 arrythmogenic effect Effects 0.000 description 1
- 230000000386 athletic effect Effects 0.000 description 1
- 230000001746 atrial effect Effects 0.000 description 1
- 238000000098 azimuthal photoelectron diffraction Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000013153 catheter ablation Methods 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000009850 completed effect Effects 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000013213 extrapolation Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 238000001415 gene therapy Methods 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 210000002064 heart cell Anatomy 0.000 description 1
- 210000005003 heart tissue Anatomy 0.000 description 1
- 210000001308 heart ventricle Anatomy 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 208000028867 ischemia Diseases 0.000 description 1
- 230000000366 juvenile effect Effects 0.000 description 1
- 238000012417 linear regression Methods 0.000 description 1
- 235000020094 liqueur Nutrition 0.000 description 1
- 208000004731 long QT syndrome Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000028161 membrane depolarization Effects 0.000 description 1
- 210000000107 myocyte Anatomy 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001766 physiological effect Effects 0.000 description 1
- 230000006461 physiological response Effects 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 238000000611 regression analysis Methods 0.000 description 1
- 230000013577 regulation of ventricular cardiomyocyte membrane repolarization Effects 0.000 description 1
- 230000000246 remedial effect Effects 0.000 description 1
- 238000012502 risk assessment Methods 0.000 description 1
- 210000002027 skeletal muscle Anatomy 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 235000020354 squash Nutrition 0.000 description 1
- 238000004441 surface measurement Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 238000012956 testing procedure Methods 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 210000000115 thoracic cavity Anatomy 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- DZXKSFDSPBRJPS-UHFFFAOYSA-N tin(2+);sulfide Chemical compound [S-2].[Sn+2] DZXKSFDSPBRJPS-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 238000010200 validation analysis Methods 0.000 description 1
- 239000013598 vector Substances 0.000 description 1
- 208000003663 ventricular fibrillation Diseases 0.000 description 1
- 230000002747 voluntary effect Effects 0.000 description 1
Classifications
-
- 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]
- A61B5/333—Recording apparatus specially adapted therefor
- A61B5/335—Recording apparatus specially adapted therefor using integrated circuit memory devices
-
- 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
- A61B5/40—Detecting, measuring or recording for evaluating the nervous system
- A61B5/4029—Detecting, measuring or recording for evaluating the nervous system for evaluating the peripheral nervous systems
- A61B5/4035—Evaluating the autonomic nervous system
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Cardiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Physics & Mathematics (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US34465401P | 2001-12-26 | 2001-12-26 | |
| US60/344,654 | 2001-12-26 | ||
| PCT/US2002/038460 WO2003057034A1 (en) | 2001-12-26 | 2002-12-03 | Method and system for evaluating arrhythmia risk with qt-rr interval data sets |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2471655A1 true CA2471655A1 (en) | 2003-07-17 |
Family
ID=23351415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002471655A Abandoned CA2471655A1 (en) | 2001-12-26 | 2002-12-03 | Method and system for evaluating arrhythmia risk with qt-rr interval data sets |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7123953B2 (https=) |
| EP (1) | EP1458286A4 (https=) |
| JP (1) | JP2005514099A (https=) |
| AU (1) | AU2002346612A1 (https=) |
| CA (1) | CA2471655A1 (https=) |
| WO (1) | WO2003057034A1 (https=) |
Families Citing this family (55)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7730063B2 (en) | 2002-12-10 | 2010-06-01 | Asset Trust, Inc. | Personalized medicine service |
| US20040122294A1 (en) | 2002-12-18 | 2004-06-24 | John Hatlestad | Advanced patient management with environmental data |
| US8391989B2 (en) | 2002-12-18 | 2013-03-05 | Cardiac Pacemakers, Inc. | Advanced patient management for defining, identifying and using predetermined health-related events |
| US7468032B2 (en) | 2002-12-18 | 2008-12-23 | Cardiac Pacemakers, Inc. | Advanced patient management for identifying, displaying and assisting with correlating health-related data |
| US7983759B2 (en) | 2002-12-18 | 2011-07-19 | Cardiac Pacemakers, Inc. | Advanced patient management for reporting multiple health-related parameters |
| US20040122487A1 (en) | 2002-12-18 | 2004-06-24 | John Hatlestad | Advanced patient management with composite parameter indices |
| US7043305B2 (en) | 2002-03-06 | 2006-05-09 | Cardiac Pacemakers, Inc. | Method and apparatus for establishing context among events and optimizing implanted medical device performance |
| US7378955B2 (en) * | 2003-01-03 | 2008-05-27 | Cardiac Pacemakers, Inc. | System and method for correlating biometric trends with a related temporal event |
| US20050038351A1 (en) * | 2003-07-23 | 2005-02-17 | Starobin Joseph M. | Method and system for evaluating cardiac ischemia based on heart rate fluctuations |
| US20060184473A1 (en) * | 2003-11-19 | 2006-08-17 | Eder Jeff S | Entity centric computer system |
| US7313437B2 (en) * | 2004-02-27 | 2007-12-25 | Cornell Research Foundation, Inc. | Adaptive diastolic interval control of action potential duration alternans |
| US7181282B1 (en) | 2004-06-14 | 2007-02-20 | Pacesetter, Inc. | Implantable cardiac device with PVC density monitoring, and therapy control and method |
| EP1637075A1 (fr) * | 2004-09-20 | 2006-03-22 | Centre Hospitalier Regional Universitaire de Lille | Procédé et dispositif d'évaluation de la douleur chez un être vivant |
| US8326407B2 (en) | 2004-10-19 | 2012-12-04 | University Of Washington | Long-term monitoring for discrimination of different heart rhythms |
| US7630756B2 (en) * | 2004-10-19 | 2009-12-08 | University Of Washington | Long-term monitoring for detection of atrial fibrillation |
| US20060122651A1 (en) * | 2004-12-03 | 2006-06-08 | Whitman Teresa A | Use of mechanical restitution to predict hemodynamic response to a rapid ventricular rhythm |
| WO2007098228A2 (en) * | 2006-02-17 | 2007-08-30 | Transoma Medical, Inc. | System and method of monitoring physiological signals |
| US7813792B2 (en) | 2006-04-17 | 2010-10-12 | General Electric Company | Method and apparatus for analyzing and editing ECG morphology and time series |
| US20070255345A1 (en) * | 2006-04-26 | 2007-11-01 | Krause Paul G | Method and System for Triggering an Implantable Medical Device for Risk Stratification Measurements |
| US8560054B2 (en) * | 2006-05-08 | 2013-10-15 | A.M.P.S., Llc | Method and apparatus for extracting optimum holter ECG reading |
| EP2037805A4 (en) * | 2006-07-07 | 2012-03-14 | Univ Mcgill | METHOD FOR DETECTING PATHOLOGIES WITH CARDIAL ACTIVITY DATA |
| GB0624081D0 (en) * | 2006-12-01 | 2007-01-10 | Oxford Biosignals Ltd | Biomedical signal analysis method |
| CZ2007376A3 (cs) * | 2007-05-30 | 2008-12-10 | Ústav prístrojové techniky AV CR, v.v.i. | Zpusob analýzy ventrikulární repolarizace |
| US7801594B1 (en) * | 2007-10-22 | 2010-09-21 | Pacesetter, Inc. | Morphology discrimination based on inflection point-related information |
| CA2942986A1 (en) | 2008-10-09 | 2010-04-15 | The Regents Of The University Of California | Methods, system and apparatus for the detection, diagnosis and treatment of biological rhythm disorders |
| US8346351B2 (en) * | 2009-01-26 | 2013-01-01 | Hadley David M | Methods for quantifying QT-RR |
| CN103344803B (zh) * | 2009-03-31 | 2015-01-14 | 安立股份有限公司 | 测量装置及测量方法 |
| WO2011105859A2 (ko) * | 2010-02-26 | 2011-09-01 | 강원대학교산학협력단 | 심장 부정맥 진단방법 및 그 진단장치 |
| US8391962B2 (en) * | 2009-05-13 | 2013-03-05 | Mari Alford Watanabe | Cardiac function circadian variation analysis system and method |
| US10434319B2 (en) | 2009-10-09 | 2019-10-08 | The Regents Of The University Of California | System and method of identifying sources associated with biological rhythm disorders |
| US9215987B2 (en) * | 2009-12-16 | 2015-12-22 | The Johns Hopkins University | Methodology for arrhythmia risk stratification by assessing QT interval instability |
| BR112012025468A2 (pt) | 2010-04-08 | 2019-09-24 | The Regents Of The University Of California | sistema para reconstruir sinais cardíacos associados a uma desordem de ritmo complexa recebida através de uma pluralidade de canais do coração de um paciente, montagem para reconstruir sinais cardíacos associados a uma desordem de ritmo complexa recebida através de uma pluralidade de canais do coração de um paciente e método de recontrução dos sinais cardíacos associados a uma desordem de ritmo complexa recebida através de uma pluralidade de canais do coração de um paciente |
| US8798732B2 (en) * | 2010-08-05 | 2014-08-05 | Lev-El Diagnostics of Heart Diseases Ltd. | Apparatus, system and method of determining a heart rate variability value |
| US12198790B1 (en) | 2010-10-07 | 2025-01-14 | Masimo Corporation | Physiological monitor sensor systems and methods |
| US20140243695A1 (en) | 2011-07-11 | 2014-08-28 | Duke University | Method and system for evaluating stability of cardiac propagation reserve |
| US9801552B2 (en) | 2011-08-02 | 2017-10-31 | Valencell, Inc. | Systems and methods for variable filter adjustment by heart rate metric feedback |
| US20130060154A1 (en) * | 2011-09-07 | 2013-03-07 | Seiko Epson Corporation | Atrial fibrillation decision apparatus, and method and program for deciding presence of atrial fibrillation |
| US8897863B2 (en) | 2012-05-03 | 2014-11-25 | University Of Washington Through Its Center For Commercialization | Arrhythmia detection using hidden regularity to improve specificity |
| GB2505890A (en) * | 2012-09-12 | 2014-03-19 | To Health Ltd | Screening to determine a cardiac arrhythmia risk parameter using photoplethysmograph measurements |
| US20140081152A1 (en) * | 2012-09-14 | 2014-03-20 | Nellcor Puritan Bennett Llc | System and method for determining stability of cardiac output |
| US10827983B2 (en) | 2012-10-30 | 2020-11-10 | The Johns Hopkins University | System and method for personalized cardiac arrhythmia risk assessment by simulating arrhythmia inducibility |
| JP2014171589A (ja) * | 2013-03-07 | 2014-09-22 | Seiko Epson Corp | 心房細動解析装置およびプログラム |
| JP2014171660A (ja) | 2013-03-08 | 2014-09-22 | Seiko Epson Corp | 心房細動解析装置、心房細動解析システム、心房細動解析方法およびプログラム |
| EP3027273A4 (en) * | 2013-07-31 | 2017-07-26 | Electus Medical Inc. | Systems for assessing risk of sudden cardiac death, and related methods of use |
| WO2016094417A2 (en) * | 2014-12-08 | 2016-06-16 | Jabourian Artin Pascal | Determination of unsuspected arrhythmia based on extra cardiac signs |
| JP6604060B2 (ja) * | 2015-07-09 | 2019-11-13 | 富士通株式会社 | 情報処理装置、情報処理方法及びプログラム |
| EP3344127A4 (en) * | 2015-10-23 | 2018-07-25 | Valencell, Inc. | Physiological monitoring devices and methods that identify subject activity type |
| US10945618B2 (en) | 2015-10-23 | 2021-03-16 | Valencell, Inc. | Physiological monitoring devices and methods for noise reduction in physiological signals based on subject activity type |
| KR101645614B1 (ko) * | 2016-04-22 | 2016-08-08 | 주식회사메디아나 | 심실세동 진단장치 및 그것의 구동 방법 |
| US10463295B2 (en) | 2016-06-13 | 2019-11-05 | Medtronic, Inc. | Multi-parameter prediction of acute cardiac episodes and attacks |
| US10278602B2 (en) | 2016-06-22 | 2019-05-07 | General Electric Company | System and method for rapid ECG acquisition |
| US10966662B2 (en) | 2016-07-08 | 2021-04-06 | Valencell, Inc. | Motion-dependent averaging for physiological metric estimating systems and methods |
| FI128598B (en) * | 2019-03-22 | 2020-08-31 | Tampereen Korkeakoulusaeaetioe Sr | Apparatus and procedure for QT correction |
| JP7303536B2 (ja) * | 2019-03-29 | 2023-07-05 | 国立大学法人信州大学 | 心電図解析装置，方法およびプログラム |
| KR102257498B1 (ko) * | 2019-05-29 | 2021-05-27 | 연세대학교 산학협력단 | 활동 전위 기간 상환 현상을 반영한 심장 모델 생성 방법 및 생성 장치 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4802491A (en) | 1986-07-30 | 1989-02-07 | Massachusetts Institute Of Technology | Method and apparatus for assessing myocardial electrical stability |
| US4732157A (en) | 1986-08-18 | 1988-03-22 | Massachusetts Institute Of Technology | Method and apparatus for quantifying beat-to-beat variability in physiologic waveforms |
| US4870974A (en) | 1987-09-30 | 1989-10-03 | Chinese Pla General Hospital | Apparatus and method for detecting heart characteristics by way of electrical stimulation |
| US5020540A (en) | 1987-10-09 | 1991-06-04 | Biometrak Corporation | Cardiac biopotential analysis system and method |
| US5117834A (en) | 1990-08-06 | 1992-06-02 | Kroll Mark W | Method and apparatus for non-invasively determing a patients susceptibility to ventricular arrhythmias |
| US5148812A (en) * | 1991-02-20 | 1992-09-22 | Georgetown University | Non-invasive dynamic tracking of cardiac vulnerability by analysis of t-wave alternans |
| US5437285A (en) * | 1991-02-20 | 1995-08-01 | Georgetown University | Method and apparatus for prediction of sudden cardiac death by simultaneous assessment of autonomic function and cardiac electrical stability |
| US5842997A (en) * | 1991-02-20 | 1998-12-01 | Georgetown University | Non-invasive, dynamic tracking of cardiac vulnerability by simultaneous analysis of heart rate variability and T-wave alternans |
| US5323783A (en) * | 1992-11-12 | 1994-06-28 | Del Mar Avionics | Dynamic ST segment estimation and adjustment |
| US5713367A (en) * | 1994-01-26 | 1998-02-03 | Cambridge Heart, Inc. | Measuring and assessing cardiac electrical stability |
| US5419338A (en) * | 1994-02-22 | 1995-05-30 | City Of Hope | Autonomic nervous system testing by bi-variate spectral analysis of heart period and QT interval variability |
| US5794623A (en) * | 1996-09-27 | 1998-08-18 | Hewlett-Packard Company | Intramyocardial Wenckebach activity detector |
| US5891047A (en) * | 1997-03-14 | 1999-04-06 | Cambridge Heart, Inc. | Detecting abnormal activation of heart |
| US5792065A (en) | 1997-03-18 | 1998-08-11 | Marquette Medical Systems, Inc. | Method and apparatus for determining T-wave marker points during QT dispersion analysis |
| US5827195A (en) | 1997-05-09 | 1998-10-27 | Cambridge Heart, Inc. | Electrocardiogram noise reduction using multi-dimensional filtering |
| WO1999005964A1 (en) * | 1997-08-01 | 1999-02-11 | Harbinger Medical, Inc. | System and method of noninvasevely determining a patient's susceptibility to arrhythmia |
| US6361503B1 (en) * | 2000-06-26 | 2002-03-26 | Mediwave Star Technology, Inc. | Method and system for evaluating cardiac ischemia |
-
2002
- 2002-12-03 CA CA002471655A patent/CA2471655A1/en not_active Abandoned
- 2002-12-03 JP JP2003557402A patent/JP2005514099A/ja active Pending
- 2002-12-03 EP EP02784686A patent/EP1458286A4/en not_active Withdrawn
- 2002-12-03 US US10/308,821 patent/US7123953B2/en not_active Expired - Fee Related
- 2002-12-03 AU AU2002346612A patent/AU2002346612A1/en not_active Abandoned
- 2002-12-03 WO PCT/US2002/038460 patent/WO2003057034A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2003057034A1 (en) | 2003-07-17 |
| JP2005514099A (ja) | 2005-05-19 |
| EP1458286A4 (en) | 2008-01-23 |
| US20030130586A1 (en) | 2003-07-10 |
| EP1458286A1 (en) | 2004-09-22 |
| US7123953B2 (en) | 2006-10-17 |
| AU2002346612A1 (en) | 2003-07-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7123953B2 (en) | Method and system for evaluating arrhythmia risk with QT-RR interval data sets | |
| US6361503B1 (en) | Method and system for evaluating cardiac ischemia | |
| US6768919B2 (en) | Method and system for evaluating cardiac ischemia with heart rate feedback | |
| EP3340871B1 (en) | High/low frequency signal quality evaluations of ecg lead signals | |
| US6648829B2 (en) | Method and system for evaluating and locating cardiac ischemia | |
| US20050148895A1 (en) | Method and apparatus for ECG derived sleep monitoring of a user | |
| US6648830B2 (en) | Method and system for evaluating cardiac ischemia with an abrupt stop exercise protocol | |
| US20050038351A1 (en) | Method and system for evaluating cardiac ischemia based on heart rate fluctuations | |
| US10076259B2 (en) | Method and system for evaluating stability of cardiac propagation reserve | |
| US7104961B2 (en) | Method and system for evaluating cardiac ischemia with an exercise protocol | |
| US6656126B2 (en) | Method and system for evaluating cardiac ischemia with RR-interval data sets and pulse or blood pressure monitoring | |
| US8219185B2 (en) | Rapid method for analyzing bio-signal instantaneously by phase space complexity difference and its device | |
| Huang et al. | A Graph-based Method for Interbeat Interval and Heart Rate Variability Estimation Featuring Multichannel PPG Signals During Intensive Activity | |
| Botzer et al. | Dynamic QT-RR relationships in 12 lead ecg in patients with coronary artery disease | |
| Ng et al. | Probability trends in the assessment of cardiovascular autonomic fluctuations during cold pressor tests |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |