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  Patent History
  • Application
    US 10/141104 2002-05-07
  • Publication
    US 20030216654 2003-11-20
Supplementary

published patent: Bayesian discriminator for rapidly detecting arrhythmias

TitleBayesian discriminator for rapidly detecting arrhythmias
Priority Date2002-05-07 US 10/141104
Inventors
Issue Date2003
Citation
US Published patent application US 20030216654. Washington, DC: US Patent and Trademark Office (USPTO), 2003 How to Cite?
Abstract
A method for accurate and rapid automated detection of atrial fibrillation (AF), sinus rhythm (SF), and atrial flutter (AFL) is disclosed, which allows distinguishing of these cardiac signals with lowered risk of errors by implanted pacemakers and like devices. The method includes training episodes of intra-cardiac signals (called the closed data set CDS) to evaluate five feature parameters with a discriminator classifying the signal into AF, AFL or sinus rhythm (SR). Comparison with the independent decisions of experienced physicians for each episode reveals specificity, accuracy and sensitivity of greater than 97%. Each episode is a window of intracardiac signal of interval 1-2 seconds with the discriminator providing results in less than 0.25 s. In another aspect, the method is resistant to the presence of noise in the data. In yet another aspect, more feature parameters may be used in alternative implementations including for detecting signals other than AF, AFL & SR.
Persistent Identifierhttp://hdl.handle.net/10722/113428

 

DC FieldValueLanguage
dc.date.accessioned2010-09-26T04:15:18Z-
dc.date.available2010-09-26T04:15:18Z-
dc.date.issued2003en_HK
dc.identifier.citationUS Published patent application US 20030216654. Washington, DC: US Patent and Trademark Office (USPTO), 2003en_HK
dc.identifier.urihttp://hdl.handle.net/10722/113428-
dc.description.abstractA method for accurate and rapid automated detection of atrial fibrillation (AF), sinus rhythm (SF), and atrial flutter (AFL) is disclosed, which allows distinguishing of these cardiac signals with lowered risk of errors by implanted pacemakers and like devices. The method includes training episodes of intra-cardiac signals (called the closed data set CDS) to evaluate five feature parameters with a discriminator classifying the signal into AF, AFL or sinus rhythm (SR). Comparison with the independent decisions of experienced physicians for each episode reveals specificity, accuracy and sensitivity of greater than 97%. Each episode is a window of intracardiac signal of interval 1-2 seconds with the discriminator providing results in less than 0.25 s. In another aspect, the method is resistant to the presence of noise in the data. In yet another aspect, more feature parameters may be used in alternative implementations including for detecting signals other than AF, AFL & SR.en_HK
dc.languageengen_HK
dc.relation.isreferencedbyWO 2011126823 (A1) 2011-10-13en_HK
dc.relation.isreferencedbyUS 2010280576 (A1) 2010-11-04en_HK
dc.relation.isreferencedbyUS 8311636 (B2) 2012-11-13en_HK
dc.relation.isreferencedbyUS 2010070001 (A1) 2010-03-18en_HK
dc.relation.isreferencedbyUS 8233990 (B2) 2012-07-31en_HK
dc.relation.isreferencedbyUS 2007276441 (A1) 2007-11-29en_HK
dc.relation.isreferencedbyUS 7853323 (B2) 2010-12-14en_HK
dc.relation.isreferencedbyUS 2008234973 (A1) 2008-09-25en_HK
dc.relation.isreferencedbyUS 7877228 (B2) 2011-01-25en_HK
dc.relation.isreferencedbyUS 8306624 (B2) 2012-11-06en_HK
dc.relation.isreferencedbyUS 2007255322 (A1) 2007-11-01en_HK
dc.relation.isreferencedbyUS 7283870 (B2) 2007-10-16en_HK
dc.relation.isreferencedbyUS 2007021815 (A1) 2007-01-25en_HK
dc.relation.isreferencedbyUS 7386344 (B2) 2008-06-10en_HK
dc.relation.isreferencedbyUS 2006036288 (A1) 2006-02-16en_HK
dc.relation.isreferencedbyUS 7184837 (B2) 2007-02-27en_HK
dc.relation.isreferencedbyUS 2005060008 (A1) 2005-03-17en_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License For Public Patent Documents-
dc.titleBayesian discriminator for rapidly detecting arrhythmiasen_HK
dc.typePatenten_HK
dc.identifier.emailTse, HF: hftse@hkucc.hku.hken_HK
dc.identifier.emailTse, HF: hftse@hkucc.hku.hken_HK
dc.identifier.emailTse, HF: hftse@hkucc.hku.hken_HK
dc.identifier.emailChan, FHY: fhychan@hkueee.hku.hken_HK
dc.identifier.emailChan, FHY: fhychan@hkueee.hku.hken_HK
dc.identifier.emailChan, FHY: fhychan@hkueee.hku.hken_HK
dc.identifier.emailFung, PCW: hrspfcw@hku.hken_HK
dc.identifier.emailFung, PCW: hrspfcw@hku.hken_HK
dc.identifier.emailFung, PCW: hrspfcw@hku.hken_HK
dc.identifier.emailLau, CP: cplau@hku.hken_HK
dc.identifier.emailLau, CP: cplau@hku.hken_HK
dc.identifier.emailLau, CP: cplau@hku.hken_HK
dc.identifier.authorityTse, HF=rp00428en_HK
dc.identifier.authorityTse, HF=rp00428en_HK
dc.identifier.authorityTse, HF=rp00428en_HK
dc.description.naturepublished_or_final_version-
dc.identifier.hkuros95069en_HK
dc.contributor.inventorXu, W.C.en_HK
dc.contributor.inventorTse, HFen_HK
dc.contributor.inventorChan, FHYen_HK
dc.contributor.inventorFung, PCWen_HK
dc.contributor.inventorLau, CPen_HK
patents.identifier.applicationUS 10/141104en_HK
patents.description.assigneeXU WEICHAO, ; TSE HUNG-FAT, ; CHAN FRANCIS HY, ; FUNG PETER CHIN WAN, ; LAU CHU-PAKen_HK
patents.description.countryUnited States of Americaen_HK
patents.date.publication2003-11-20en_HK
patents.date.application2002-05-07en_HK
patents.date.priority2002-05-07 US 10/141104en_HK
patents.description.ccUSen_HK
patents.identifier.publicationUS 20030216654en_HK
patents.relation.familyAU 2003267503 (A1) 2003-11-11en_HK
patents.relation.familyWO 03094721 (A1) 2003-11-20en_HK
patents.description.kindA1en_HK
patents.typePatent_publisheden_HK

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