{"id":"https://openalex.org/W2104289356","doi":"https://doi.org/10.1109/iembs.1990.691214","title":"The Effect Of Averaging Cardiac Doppler Spectrograms On Their Amplitude Variability","display_name":"The Effect Of Averaging Cardiac Doppler Spectrograms On Their Amplitude Variability","publication_year":2005,"publication_date":"2005-08-24","ids":{"openalex":"https://openalex.org/W2104289356","doi":"https://doi.org/10.1109/iembs.1990.691214","mag":"2104289356"},"language":"en","primary_location":{"id":"doi:10.1109/iembs.1990.691214","doi":"https://doi.org/10.1109/iembs.1990.691214","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iembs.1990.691214","pdf_url":null,"source":{"id":"https://openalex.org/S4363608786","display_name":"Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)","issn_l":"2375-7477","issn":["2375-7477"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["doyens","jufo-1","ki-jl-1","medline","russia-white-list-3"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"[1990] Proceedings of the Twelfth Annual International Conference of the IEEE Engineering in Medicine and Biology Society","raw_type":"proceedings-article"},"volume":null,"type":"conference-paper","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/A5030943032","display_name":"Guy Cloutier","orcid":"https://orcid.org/0000-0002-4957-4844","observed_orcids":["https://orcid.org/0000-0002-4957-4844"]},"institutions":[{"id":"https://openalex.org/I4210158752","display_name":"Montreal Clinical Research Institute","ror":"https://ror.org/05m8pzq90","country_code":"CA","type":"facility","lineage":["https://openalex.org/I4210158752","https://openalex.org/I70931966"]},{"id":"https://openalex.org/I45683168","display_name":"Polytechnique Montr\u00e9al","ror":"https://ror.org/05f8d4e86","country_code":"CA","type":"education","lineage":["https://openalex.org/I45683168"]},{"id":"https://openalex.org/I70931966","display_name":"Universit\u00e9 de Montr\u00e9al","ror":"https://ror.org/0161xgx34","country_code":"CA","type":"education","lineage":["https://openalex.org/I70931966"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"G. Cloutier","raw_affiliation_strings":["Institute de g\u00e9nie Bipm\u00e9dical, Ecole Polytechnique, Universite de Montreal, Canada","Laboratoire de g\u00e9nie biom\u00e9dical, Institut de Recherches Cliniques de Montreal, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute de g\u00e9nie Bipm\u00e9dical, Ecole Polytechnique, Universite de Montreal, Canada","institution_ids":["https://openalex.org/I45683168","https://openalex.org/I70931966"]},{"raw_affiliation_string":"Laboratoire de g\u00e9nie biom\u00e9dical, Institut de Recherches Cliniques de Montreal, Canada","institution_ids":["https://openalex.org/I4210158752"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027053431","display_name":"Louise Allard","orcid":"https://orcid.org/0000-0002-8204-9056","observed_orcids":["https://orcid.org/0000-0002-8204-9056"]},"institutions":[{"id":"https://openalex.org/I4210158752","display_name":"Montreal Clinical Research Institute","ror":"https://ror.org/05m8pzq90","country_code":"CA","type":"facility","lineage":["https://openalex.org/I4210158752","https://openalex.org/I70931966"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"L. Allard","raw_affiliation_strings":["Laboratoire de g\u00e9 biom\u00e9dical, Institut de Recherches Cliniques de Montreal, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratoire de g\u00e9 biom\u00e9dical, Institut de Recherches Cliniques de Montreal, Canada","institution_ids":["https://openalex.org/I4210158752"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108666434","display_name":"Zhenyu Guo","orcid":"https://orcid.org/0000-0003-2034-4890","observed_orcids":["https://orcid.org/0000-0003-2034-4890"]},"institutions":[{"id":"https://openalex.org/I4210158752","display_name":"Montreal Clinical Research Institute","ror":"https://ror.org/05m8pzq90","country_code":"CA","type":"facility","lineage":["https://openalex.org/I4210158752","https://openalex.org/I70931966"]},{"id":"https://openalex.org/I5023651","display_name":"McGill University","ror":"https://ror.org/01pxwe438","country_code":"CA","type":"education","lineage":["https://openalex.org/I5023651"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Zhenyu Guo","raw_affiliation_strings":["Department of Electrical Engineering, McGill University, Montreal, QUE, Canada","Laboratoire de g\u00e9 biom\u00e9dical, Institut de Recherches Cliniques de Montreal, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, McGill University, Montreal, QUE, Canada","institution_ids":["https://openalex.org/I5023651"]},{"raw_affiliation_string":"Laboratoire de g\u00e9 biom\u00e9dical, Institut de Recherches Cliniques de Montreal, Canada","institution_ids":["https://openalex.org/I4210158752"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5112151262","display_name":"Louis\u2010Gilles Durand","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210158752","display_name":"Montreal Clinical Research Institute","ror":"https://ror.org/05m8pzq90","country_code":"CA","type":"facility","lineage":["https://openalex.org/I4210158752","https://openalex.org/I70931966"]},{"id":"https://openalex.org/I45683168","display_name":"Polytechnique Montr\u00e9al","ror":"https://ror.org/05f8d4e86","country_code":"CA","type":"education","lineage":["https://openalex.org/I45683168"]},{"id":"https://openalex.org/I70931966","display_name":"Universit\u00e9 de Montr\u00e9al","ror":"https://ror.org/0161xgx34","country_code":"CA","type":"education","lineage":["https://openalex.org/I70931966"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"L.-G. Durand","raw_affiliation_strings":["Institute de g\u00e9nie Bipm\u00e9dical, Ecole Polytechnique, Universite de Montreal, Canada","Laboratoire de g\u00e9 biom\u00e9dical, Institut de Recherches Cliniques de Montreal, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute de g\u00e9nie Bipm\u00e9dical, Ecole Polytechnique, Universite de Montreal, Canada","institution_ids":["https://openalex.org/I45683168","https://openalex.org/I70931966"]},{"raw_affiliation_string":"Laboratoire de g\u00e9 biom\u00e9dical, Institut de Recherches Cliniques de Montreal, Canada","institution_ids":["https://openalex.org/I4210158752"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.11887255,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"560","last_page":"561"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10821","display_name":"Cardiovascular Function and Risk Factors","score":0.7817000150680542,"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/T10821","display_name":"Cardiovascular Function and Risk Factors","score":0.7817000150680542,"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":0.07880000025033951,"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/T10372","display_name":"Cardiac Imaging and Diagnostics","score":0.024800000712275505,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"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/signal-averaging","display_name":"signal averaging","score":0.6069999933242798},{"id":"https://openalex.org/keywords/amplitude-variation","display_name":"amplitude variation","score":0.9459999799728394},{"id":"https://openalex.org/keywords/pulsed-wave-doppler","display_name":"pulsed Doppler","score":0.8859999775886536},{"id":"https://openalex.org/keywords/left-ventricular-outflow-tract","display_name":"left ventricular outflow tract","score":0.9959999918937683},{"id":"https://openalex.org/keywords/systolic-flow","display_name":"systolic flow","score":0.6620000004768372},{"id":"https://openalex.org/keywords/derivative-function","display_name":"derivative function","score":0.3720000088214874},{"id":"https://openalex.org/keywords/exponential-decay","display_name":"exponential decay","score":0.4309999942779541},{"id":"https://openalex.org/keywords/aortic-valve","display_name":"aortic valve","score":0.5860000252723694}],"concepts":[{"id":"https://openalex.org/C45273575","wikidata":"https://www.wikidata.org/wiki/Q578970","display_name":"Spectrogram","level":2,"score":0.8743718266487122},{"id":"https://openalex.org/C180205008","wikidata":"https://www.wikidata.org/wiki/Q159190","display_name":"Amplitude","level":2,"score":0.7555968761444092},{"id":"https://openalex.org/C142757262","wikidata":"https://www.wikidata.org/wiki/Q76436","display_name":"Doppler effect","level":2,"score":0.6773099899291992},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.42264100909233093},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.38360682129859924},{"id":"https://openalex.org/C164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","level":1,"score":0.3735816478729248},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.3416951298713684},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.2758239209651947},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.17749223113059998},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.14579540491104126},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.13568413257598877},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/iembs.1990.691214","doi":"https://doi.org/10.1109/iembs.1990.691214","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iembs.1990.691214","pdf_url":null,"source":{"id":"https://openalex.org/S4363608786","display_name":"Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)","issn_l":"2375-7477","issn":["2375-7477"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["doyens","jufo-1","ki-jl-1","medline","russia-white-list-3"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"[1990] Proceedings of the Twelfth Annual International Conference of the IEEE Engineering in Medicine and Biology Society","raw_type":"proceedings-article"},{"id":"pmh:oai:publications.polymtl.ca:75545","doi":null,"is_oa":false,"landing_page_url":"https://publications.polymtl.ca/75545/","pdf_url":null,"source":{"id":"https://openalex.org/S4306401013","display_name":"PolyPublie (\u00c9cole Polytechnique de Montr\u00e9al)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I45683168","host_organization_name":"Polytechnique Montr\u00e9al","host_organization_lineage":["https://openalex.org/I45683168"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Cloutier, G., Allard, L., Guo, Z., & Durand, L.-G. (1990, November). The Effect Of Averaging Cardiac Doppler Spectrograms On Their Amplitude Variability [Paper]. 12th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC 1990), Philadelphia, PA, USA.","raw_type":"http://purl.org/coar/resource_type/c_5794"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Good health and well-being","score":0.6240000128746033,"id":"https://metadata.un.org/sdg/3"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W2003712379","https://openalex.org/W2025632224","https://openalex.org/W2050598295","https://openalex.org/W2073820795","https://openalex.org/W2083237704","https://openalex.org/W2087677683","https://openalex.org/W2134364629","https://openalex.org/W2144922530"],"related_works":["https://openalex.org/W2050602588","https://openalex.org/W1497827134","https://openalex.org/W2010006329","https://openalex.org/W3144935629","https://openalex.org/W50746788","https://openalex.org/W2314070248","https://openalex.org/W4237574853","https://openalex.org/W2012007592","https://openalex.org/W2004619687","https://openalex.org/W2017900243"],"abstract_inverted_index":{"'The":[0],"effect":[1],"of":[2,79,84,87,114,122],"averaging":[3],"c":[4],"ardiac":[5],"Doppler":[6,37],"spec":[7],"t":[8,49,75],"r":[9,17,24],"o":[10,47],"g":[11],"ra":[12],"nis":[13],"on":[14],"the":[15,42,55,67,80,88,93,98,101,115],"i":[16,27],"a":[18,56,68,116,120],"nip":[19],"I":[20,28],"it":[21,29],"ude":[22],"va":[23],"ia":[25],"b":[26],"y":[30],"was":[31,71],"inlestigated":[32],"in":[33,100],"30":[34],"patients.":[35],"Pulsed-wave":[36],"signals":[38],"were":[39,132],"recorded":[40],"from":[41],"l":[43],"eft":[44],"v":[45,103],"entricular":[46],"utflow":[48],"ract,":[50],"approximatel!":[51],"1":[52],"cni":[53],"below":[54],"ortic":[57],"valve":[58],"for":[59,119],"each":[60,85],"patient.":[61],"T":[62],"he":[63,76],"q":[64],"uantification":[65],"of.":[66],"mplitude":[69,117],"variability":[70,118],"performed":[72],"by":[73,107],"computing":[74],"absolute":[77],"value":[78],"derivatil":[81],"e":[82],"function":[83],"spectruni":[86],"spectrograms.":[89],"Results":[90],"obtained":[91],"over":[92],"systolic":[94],"period":[95],"showed":[96],"rhar":[97],"reduction":[99],"amplitude":[102],"ariabilit)":[104],"is":[105],"characterized":[106],"an":[108],"exponentially":[109],"decreasing":[110],"curve.":[111],"The":[112],"reductions":[113],"number":[121],"cardiac":[123],"cJcles":[124],"equals":[125],"to":[126],"5.":[127],"IO.":[128],"15.":[129],"and":[130,136],"20":[131],"23%.":[133],"36%.":[134],"-I:?&":[135],"46'%i,":[137],"respecrii":[138],"el!,.":[139]},"counts_by_year":[],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}
