{"id":"https://openalex.org/W2289001094","doi":"https://doi.org/10.1109/cic.2015.7411040","title":"The U wave in atrial fibrillation","display_name":"The U wave in atrial fibrillation","publication_year":2015,"publication_date":"2015-09-01","ids":{"openalex":"https://openalex.org/W2289001094","doi":"https://doi.org/10.1109/cic.2015.7411040","mag":"2289001094"},"language":"en","primary_location":{"id":"doi:10.1109/cic.2015.7411040","is_oa":false,"landing_page_url":"https://doi.org/10.1109/cic.2015.7411040","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 Computing in Cardiology Conference (CinC)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"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/A5042007311","display_name":"Philip Langley","orcid":"https://orcid.org/0000-0002-3371-4291"},"institutions":[{"id":"https://openalex.org/I191240316","display_name":"University of Hull","ror":"https://ror.org/04nkhwh30","country_code":"GB","type":"education","lineage":["https://openalex.org/I191240316"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Philip Langley","raw_affiliation_strings":["School of Engineering, University of Hull Kingston upon Hull, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Engineering, University of Hull Kingston upon Hull, UK","institution_ids":["https://openalex.org/I191240316"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005870558","display_name":"John Bourke","orcid":"https://orcid.org/0000-0001-7857-9073"},"institutions":[{"id":"https://openalex.org/I84884186","display_name":"Newcastle University","ror":"https://ror.org/01kj2bm70","country_code":"GB","type":"education","lineage":["https://openalex.org/I84884186"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"John P Bourke","raw_affiliation_strings":["Newcastle University, Newcastle upon Tyne, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Newcastle University, Newcastle upon Tyne, UK","institution_ids":["https://openalex.org/I84884186"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5084479722","display_name":"Alan Murray","orcid":"https://orcid.org/0000-0003-2621-4632"},"institutions":[{"id":"https://openalex.org/I84884186","display_name":"Newcastle University","ror":"https://ror.org/01kj2bm70","country_code":"GB","type":"education","lineage":["https://openalex.org/I84884186"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Alan Murray","raw_affiliation_strings":["Newcastle University, Newcastle upon Tyne, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Newcastle University, Newcastle upon Tyne, UK","institution_ids":["https://openalex.org/I84884186"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.6533,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.74924003,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":"53","issue":null,"first_page":"833","last_page":"836"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10217","display_name":"Cardiac electrophysiology and arrhythmias","score":0.9997000098228455,"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":0.9997000098228455,"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":0.9954000115394592,"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/T10598","display_name":"Cardiac pacing and defibrillation studies","score":0.9814000129699707,"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":0.7809960842132568},{"id":"https://openalex.org/keywords/atrial-fibrillation","display_name":"Atrial fibrillation","score":0.7723442316055298},{"id":"https://openalex.org/keywords/internal-medicine","display_name":"Internal medicine","score":0.7643904685974121},{"id":"https://openalex.org/keywords/p-wave","display_name":"P wave","score":0.7161331176757812},{"id":"https://openalex.org/keywords/amplitude","display_name":"Amplitude","score":0.6941840648651123},{"id":"https://openalex.org/keywords/precordial-examination","display_name":"Precordial examination","score":0.559559166431427},{"id":"https://openalex.org/keywords/beat","display_name":"Beat (acoustics)","score":0.5299801826477051},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.5030223727226257},{"id":"https://openalex.org/keywords/electrocardiography","display_name":"Electrocardiography","score":0.4751410484313965},{"id":"https://openalex.org/keywords/u-wave","display_name":"U wave","score":0.44548359513282776},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.38181883096694946},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.29403460025787354},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.1114053726196289}],"concepts":[{"id":"https://openalex.org/C164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","level":1,"score":0.7809960842132568},{"id":"https://openalex.org/C2779161974","wikidata":"https://www.wikidata.org/wiki/Q815819","display_name":"Atrial fibrillation","level":2,"score":0.7723442316055298},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.7643904685974121},{"id":"https://openalex.org/C16541007","wikidata":"https://www.wikidata.org/wiki/Q4924939","display_name":"P wave","level":3,"score":0.7161331176757812},{"id":"https://openalex.org/C180205008","wikidata":"https://www.wikidata.org/wiki/Q159190","display_name":"Amplitude","level":2,"score":0.6941840648651123},{"id":"https://openalex.org/C60897473","wikidata":"https://www.wikidata.org/wiki/Q7239578","display_name":"Precordial examination","level":3,"score":0.559559166431427},{"id":"https://openalex.org/C189809214","wikidata":"https://www.wikidata.org/wiki/Q829522","display_name":"Beat (acoustics)","level":2,"score":0.5299801826477051},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.5030223727226257},{"id":"https://openalex.org/C2780040984","wikidata":"https://www.wikidata.org/wiki/Q79785","display_name":"Electrocardiography","level":2,"score":0.4751410484313965},{"id":"https://openalex.org/C127549127","wikidata":"https://www.wikidata.org/wiki/Q7876313","display_name":"U wave","level":3,"score":0.44548359513282776},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.38181883096694946},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.29403460025787354},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.1114053726196289}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/cic.2015.7411040","is_oa":false,"landing_page_url":"https://doi.org/10.1109/cic.2015.7411040","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 Computing in Cardiology Conference (CinC)","raw_type":"proceedings-article"},{"id":"pmh:oai:eprint.ncl.ac.uk:227545","is_oa":false,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4306402485","display_name":"Newcastle University ePrints (Newcastle Univesity)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I84884186","host_organization_name":"Newcastle University","host_organization_lineage":["https://openalex.org/I84884186"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":""}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":6,"referenced_works":["https://openalex.org/W1606576717","https://openalex.org/W1976022862","https://openalex.org/W1984316306","https://openalex.org/W2128940750","https://openalex.org/W2135533595","https://openalex.org/W3217261033"],"related_works":["https://openalex.org/W2321621053","https://openalex.org/W4253901111","https://openalex.org/W4280574027","https://openalex.org/W2409227160","https://openalex.org/W2406823734","https://openalex.org/W2413227647","https://openalex.org/W2439162034","https://openalex.org/W2568671215","https://openalex.org/W2397613194","https://openalex.org/W2416404792"],"abstract_inverted_index":{"The":[0],"U":[1,25,42,60,63,76,87,94,131,150,162],"wave":[2,26,61,64,77,81,132],"in":[3,27,44,68,82,91,99,111,117,159,166],"ECGs":[4,46],"of":[5,23,47,55,59,75,145,170],"patients":[6,49],"is":[7,13],"difficult":[8],"to":[9,39,78,123,140],"observe":[10],"because":[11],"it":[12],"hidden":[14],"under":[15],"the":[16,24,41,72,118,130,143,146],"atrial":[17,28,51,79,147],"fibrillatory":[18,80,148],"wave.":[19,149],"Measurement":[20],"and":[21,66,71,108],"characteristics":[22],"fibrillation":[29,52],"have":[30],"not":[31],"previously":[32],"been":[33],"described.":[34],"Beat":[35],"averaging":[36,158],"was":[37,134],"used":[38],"reveal":[40],"waves":[43,88,95,151,163],"12lead":[45],"8":[48],"with":[50],"taking":[53],"account":[54],"heart":[56],"rate":[57],"dependency":[58],"characteristics.":[62],"polarity":[65],"amplitude":[67,73,133,144],"12-lead":[69],"ECG":[70],"ratio":[74],"lead":[83,128],"VI":[84,129],"were":[85,89,96,115,164],"measured.":[86],"measureable":[90],"all":[92],"patients.":[93,161,171],"predominantly":[97],"positive":[98],"leads":[100,112,120],"1.":[101],"11.":[102],"aVF.":[103],"V2.":[104],"V3,":[105],"V4,":[106],"V5":[107],"V6,":[109],"negative":[110],"aVR.":[113],"Amplitudes":[114],"largest":[116],"precordial":[119],"measuring":[121],"up":[122],"55":[124],"fJ":[125],"V.":[126],"In":[127],"on":[135],"average":[136],"0.17":[137],"(range":[138],"0.1":[139],"0.4)":[141],"times":[142],"can":[152],"be":[153],"measured":[154],"by":[155],"ventricular":[156],"beat":[157],"AF":[160],"normal":[165],"this":[167],"small":[168],"group":[169]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2018,"cited_by_count":3}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}