{"id":"https://openalex.org/W2070338305","doi":"https://doi.org/10.1109/embc.2013.6609677","title":"Evaluating epicardial mapping electrogram by the method of dominant frequency and Lorenz plot","display_name":"Evaluating epicardial mapping electrogram by the method of dominant frequency and Lorenz plot","publication_year":2013,"publication_date":"2013-07-01","ids":{"openalex":"https://openalex.org/W2070338305","doi":"https://doi.org/10.1109/embc.2013.6609677","mag":"2070338305","pmid":"https://pubmed.ncbi.nlm.nih.gov/24109864"},"language":"en","primary_location":{"id":"doi:10.1109/embc.2013.6609677","is_oa":false,"landing_page_url":"https://doi.org/10.1109/embc.2013.6609677","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5110518076","display_name":"Liqian Sun","orcid":null},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Liqian Sun","raw_affiliation_strings":["Department of Electronic Engineering, Fudan University, Shanghai, China","Dept. of Electron. Eng., Fudan Univ., Shanghai, China"],"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, Fudan University, Shanghai, China","institution_ids":["https://openalex.org/I24943067"]},{"raw_affiliation_string":"Dept. of Electron. Eng., Fudan Univ., Shanghai, China","institution_ids":["https://openalex.org/I24943067"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5041576022","display_name":"Yanlei Wang","orcid":"https://orcid.org/0000-0002-2214-8781"},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yanlei Wang","raw_affiliation_strings":["Department of Electronic Engineering, Fudan University, Shanghai, China","Dept. of Electron. Eng., Fudan Univ., Shanghai, China"],"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, Fudan University, Shanghai, China","institution_ids":["https://openalex.org/I24943067"]},{"raw_affiliation_string":"Dept. of Electron. Eng., Fudan Univ., Shanghai, China","institution_ids":["https://openalex.org/I24943067"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066396969","display_name":"Cuiwei Yang","orcid":"https://orcid.org/0000-0003-3338-5835"},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Cuiwei Yang","raw_affiliation_strings":["Department of Electronic Engineering, the Center for Intelligent Medical Electronics (CIME) within the School ofInformation Science and Technology, Fudan University, Shanghai, China","Dept. of Electron. Eng., Fudan Univ., Shanghai, China"],"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, the Center for Intelligent Medical Electronics (CIME) within the School ofInformation Science and Technology, Fudan University, Shanghai, China","institution_ids":["https://openalex.org/I24943067"]},{"raw_affiliation_string":"Dept. of Electron. Eng., Fudan Univ., Shanghai, China","institution_ids":["https://openalex.org/I24943067"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100383112","display_name":"Ying Chen","orcid":"https://orcid.org/0000-0002-5636-2591"},"institutions":[{"id":"https://openalex.org/I881766915","display_name":"Nanjing University","ror":"https://ror.org/01rxvg760","country_code":"CN","type":"education","lineage":["https://openalex.org/I881766915"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ying Chen","raw_affiliation_strings":["Department of Electronic Science and Engineering, Nanjing University, Nanjing, China","Dept. of Electron. Sci. & Eng., Nanjing Univ., Nanjing, China"],"affiliations":[{"raw_affiliation_string":"Department of Electronic Science and Engineering, Nanjing University, Nanjing, China","institution_ids":["https://openalex.org/I881766915"]},{"raw_affiliation_string":"Dept. of Electron. Sci. & Eng., Nanjing Univ., Nanjing, China","institution_ids":["https://openalex.org/I881766915"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5079328269","display_name":"Zhong Wu","orcid":"https://orcid.org/0000-0001-9421-1041"},"institutions":[{"id":"https://openalex.org/I881766915","display_name":"Nanjing University","ror":"https://ror.org/01rxvg760","country_code":"CN","type":"education","lineage":["https://openalex.org/I881766915"]},{"id":"https://openalex.org/I4210111013","display_name":"Nanjing Drum Tower Hospital","ror":"https://ror.org/026axqv54","country_code":"CN","type":"healthcare","lineage":["https://openalex.org/I4210111013"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhong Wu","raw_affiliation_strings":["Department of Thoracic and Cardiovascular Surgery, Affiliated Hospital of Nanjing University Medical School, China","Dept. of Thoracic & Cardiovascular Surg., Nanjing Univ., Nanjing, China"],"affiliations":[{"raw_affiliation_string":"Department of Thoracic and Cardiovascular Surgery, Affiliated Hospital of Nanjing University Medical School, China","institution_ids":["https://openalex.org/I4210111013"]},{"raw_affiliation_string":"Dept. of Thoracic & Cardiovascular Surg., Nanjing Univ., Nanjing, China","institution_ids":["https://openalex.org/I881766915"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5102897602","display_name":"Jianguo Yu","orcid":"https://orcid.org/0000-0002-9736-8471"},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jianguo Yu","raw_affiliation_strings":["Department of Electronic Engineering, Fudan University, Shanghai, China","Dept. of Electron. Eng., Fudan Univ., Shanghai, China"],"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, Fudan University, Shanghai, China","institution_ids":["https://openalex.org/I24943067"]},{"raw_affiliation_string":"Dept. of Electron. Eng., Fudan Univ., Shanghai, China","institution_ids":["https://openalex.org/I24943067"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5110518076"],"corresponding_institution_ids":["https://openalex.org/I24943067"],"apc_list":null,"apc_paid":null,"fwci":0.1985,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.61301086,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"35","issue":null,"first_page":"1021","last_page":"1024"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10217","display_name":"Cardiac electrophysiology and arrhythmias","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T10217","display_name":"Cardiac electrophysiology and arrhythmias","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11021","display_name":"ECG Monitoring and Analysis","score":0.9965000152587891,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11217","display_name":"Cardiac Arrhythmias and Treatments","score":0.9937000274658203,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/cardiology","display_name":"Cardiology","score":0.7116420865058899},{"id":"https://openalex.org/keywords/internal-medicine","display_name":"Internal medicine","score":0.6515036225318909},{"id":"https://openalex.org/keywords/atrial-fibrillation","display_name":"Atrial fibrillation","score":0.6242749691009521},{"id":"https://openalex.org/keywords/plot","display_name":"Plot (graphics)","score":0.5754687190055847},{"id":"https://openalex.org/keywords/electrocardiography","display_name":"Electrocardiography","score":0.4759659171104431},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.47138768434524536},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.43478280305862427},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.29964011907577515},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.21251869201660156},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.10822033882141113}],"concepts":[{"id":"https://openalex.org/C164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","level":1,"score":0.7116420865058899},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.6515036225318909},{"id":"https://openalex.org/C2779161974","wikidata":"https://www.wikidata.org/wiki/Q815819","display_name":"Atrial fibrillation","level":2,"score":0.6242749691009521},{"id":"https://openalex.org/C167651023","wikidata":"https://www.wikidata.org/wiki/Q1474611","display_name":"Plot (graphics)","level":2,"score":0.5754687190055847},{"id":"https://openalex.org/C2780040984","wikidata":"https://www.wikidata.org/wiki/Q79785","display_name":"Electrocardiography","level":2,"score":0.4759659171104431},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.47138768434524536},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.43478280305862427},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.29964011907577515},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.21251869201660156},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.10822033882141113},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D000818","descriptor_name":"Animals","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000818","descriptor_name":"Animals","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000818","descriptor_name":"Animals","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001281","descriptor_name":"Atrial Fibrillation","qualifier_ui":"Q000503","qualifier_name":"physiopathology","is_major_topic":false},{"descriptor_ui":"D001281","descriptor_name":"Atrial Fibrillation","qualifier_ui":"Q000503","qualifier_name":"physiopathology","is_major_topic":false},{"descriptor_ui":"D001281","descriptor_name":"Atrial Fibrillation","qualifier_ui":"Q000503","qualifier_name":"physiopathology","is_major_topic":false},{"descriptor_ui":"D004285","descriptor_name":"Dogs","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D004285","descriptor_name":"Dogs","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D004285","descriptor_name":"Dogs","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005583","descriptor_name":"Fourier Analysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005583","descriptor_name":"Fourier Analysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005583","descriptor_name":"Fourier Analysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D022062","descriptor_name":"Electrophysiologic Techniques, Cardiac","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D022062","descriptor_name":"Electrophysiologic Techniques, Cardiac","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D022062","descriptor_name":"Electrophysiologic Techniques, Cardiac","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D056149","descriptor_name":"Epicardial Mapping","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D056149","descriptor_name":"Epicardial Mapping","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D056149","descriptor_name":"Epicardial Mapping","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false}],"locations_count":2,"locations":[{"id":"doi:10.1109/embc.2013.6609677","is_oa":false,"landing_page_url":"https://doi.org/10.1109/embc.2013.6609677","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)","raw_type":"proceedings-article"},{"id":"pmid:24109864","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/24109864","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":22,"referenced_works":["https://openalex.org/W1600620169","https://openalex.org/W1979794225","https://openalex.org/W1981079482","https://openalex.org/W2004317402","https://openalex.org/W2032916579","https://openalex.org/W2060368349","https://openalex.org/W2096930614","https://openalex.org/W2107085139","https://openalex.org/W2114194829","https://openalex.org/W2133148854","https://openalex.org/W2134877852","https://openalex.org/W2148785916","https://openalex.org/W2151977699","https://openalex.org/W2157313735","https://openalex.org/W2159856417","https://openalex.org/W2162273778","https://openalex.org/W2338918622","https://openalex.org/W2341753595","https://openalex.org/W2384904408","https://openalex.org/W2416610138","https://openalex.org/W6674570821","https://openalex.org/W6716324315"],"related_works":["https://openalex.org/W4387497383","https://openalex.org/W3183948672","https://openalex.org/W3173606202","https://openalex.org/W3110381201","https://openalex.org/W2948807893","https://openalex.org/W2935909890","https://openalex.org/W2778153218","https://openalex.org/W2758277628","https://openalex.org/W1531601525","https://openalex.org/W2916669046"],"abstract_inverted_index":{"The":[0,43,83],"methods":[1,116],"of":[2,23,40,49,56,80,86,100,107,113,123],"dominant":[3,44,84],"frequency":[4,45,67],"and":[5,18,46,69,77,96],"Lorenz":[6,47],"plot":[7,48],"are":[8,90],"used":[9],"in":[10,74],"this":[11],"study":[12],"to":[13,35],"evaluate":[14],"the":[15,19,37,57,75,78,87,93,97,108,124],"activation":[16,20,98],"rate":[17,21],"variability":[22,71,99],"cardiac":[24],"signals":[25],"during":[26],"atrial":[27,38,129],"fibrillation.":[28,130],"An":[29],"epicardial":[30],"mapping":[31],"system":[32],"was":[33,103],"applied":[34],"acquire":[36],"electrogram":[39],"mongrel":[41],"dogs.":[42],"each":[50],"signal":[51],"from":[52],"various":[53],"myocardial":[54],"regions":[55],"atria":[58,76,89,102],"were":[59],"analyzed.":[60],"Our":[61],"results":[62],"show":[63],"that":[64],"both":[65,101],"a":[66,70,119],"gradient":[68,72],"exist":[73],"roots":[79],"pulmonary":[81,109],"veins.":[82,110],"frequencies":[85],"anterior":[88],"higher":[91,104],"than":[92,105],"posterior":[94],"ones":[95],"those":[106],"A":[111],"combination":[112],"these":[114],"two":[115],"may":[117],"provide":[118],"more":[120],"comprehensive":[121],"understanding":[122],"electrophysiology":[125],"mechanism":[126],"associated":[127],"with":[128]},"counts_by_year":[{"year":2016,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
