{"id":"https://openalex.org/W7855114","doi":null,"title":"Measurement of a-a Intervals at Rest in the Second Derivative Plethysmogram","display_name":"Measurement of a-a Intervals at Rest in the Second Derivative Plethysmogram","publication_year":2009,"publication_date":"2009-01-01","ids":{"openalex":"https://openalex.org/W7855114","mag":"7855114"},"language":"en","primary_location":{"id":"mag:7855114","doi":null,"is_oa":false,"landing_page_url":"https://espace.cdu.edu.au/view/cdu:8583","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"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/A5078961629","display_name":"Mohamed Elgendi","orcid":"https://orcid.org/0000-0003-1831-0202","observed_orcids":["https://orcid.org/0000-0003-1831-0202"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Mohamed Elgendi","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0003-1831-0202","affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044273137","display_name":"Mirjam Jonkman","orcid":"https://orcid.org/0000-0002-0396-8370","observed_orcids":["https://orcid.org/0000-0002-0396-8370"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Mirjam Jonkman","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-0396-8370","affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5026775595","display_name":"Friso De Boer","orcid":"https://orcid.org/0000-0003-4946-4175","observed_orcids":["https://orcid.org/0000-0003-4946-4175"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Friso De Boer","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0003-4946-4175","affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.3464,"has_fulltext":false,"cited_by_count":13,"citation_normalized_percentile":{"value":0.59743333,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"76","last_page":"79"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11196","display_name":"Non-Invasive Vital Sign Monitoring","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11196","display_name":"Non-Invasive Vital Sign Monitoring","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10745","display_name":"Heart Rate Variability and Autonomic Control","score":0.00019999999494757503,"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":9.999999747378752e-05,"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/heartbeat-detection","display_name":"heartbeat detection","score":0.7739999890327454},{"id":"https://openalex.org/keywords/cardiac-rhythm-analysis","display_name":"cardiac rhythm analysis","score":0.7260000109672546},{"id":"https://openalex.org/keywords/photoplethysmography","display_name":"photoplethysmography","score":0.828000009059906},{"id":"https://openalex.org/keywords/resting-heart-rate","display_name":"resting heart rate","score":0.47999998927116394}],"concepts":[{"id":"https://openalex.org/C77265313","wikidata":"https://www.wikidata.org/wiki/Q879844","display_name":"Rest (music)","level":2,"score":0.8796460628509521},{"id":"https://openalex.org/C73362275","wikidata":"https://www.wikidata.org/wiki/Q181277","display_name":"Plethysmograph","level":2,"score":0.6398476958274841},{"id":"https://openalex.org/C111771559","wikidata":"https://www.wikidata.org/wiki/Q66295","display_name":"Derivative (finance)","level":2,"score":0.5951295495033264},{"id":"https://openalex.org/C135343436","wikidata":"https://www.wikidata.org/wiki/Q170406","display_name":"Rhythm","level":2,"score":0.4746463894844055},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.46309375762939453},{"id":"https://openalex.org/C164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","level":1,"score":0.43350714445114136},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4321596026420593},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.3964562714099884},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.33951255679130554},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C106159729","wikidata":"https://www.wikidata.org/wiki/Q2294553","display_name":"Financial economics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:7855114","doi":null,"is_oa":false,"landing_page_url":"https://espace.cdu.edu.au/view/cdu:8583","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8048999905586243,"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":3,"referenced_works":["https://openalex.org/W2031581967","https://openalex.org/W2097431774","https://openalex.org/W2120969014"],"related_works":["https://openalex.org/W69795208","https://openalex.org/W2596624592","https://openalex.org/W2343218558","https://openalex.org/W1101845549","https://openalex.org/W2581299638","https://openalex.org/W7063134896","https://openalex.org/W3215797824","https://openalex.org/W2965642503","https://openalex.org/W6885151608","https://openalex.org/W2040595273"],"abstract_inverted_index":{"Analysis":[0],"of":[1,29,65,74],"cardiac":[2],"rhythm":[3],"is":[4,37,41,56],"medically":[5],"and":[6],"physiological":[7],"important.":[8],"A":[9],"new":[10],"method":[11],"to":[12],"detect":[13],"the":[14,26,30,66,75],"heart":[15],"rate,":[16],"using":[17],"an":[18,42],"efficient":[19],"algorithm":[20,77],"for":[21,49],"a":[22,58],"wave":[23],"detection":[24],"in":[25,52],"second":[27],"derivative":[28],"photo":[31],"plethysmogram":[32],"(SDPTG),":[33],"measured":[34,83],"at":[35,84],"rest,":[36],"discussed":[38],"here.":[39],"SDPTG":[40],"optical":[43],"technique":[44],"that":[45,61],"has":[46],"been":[47],"developed":[48],"experimental":[50],"use":[51],"vascular":[53],"diseases.":[54],"It":[55],"considered":[57],"promising":[59,88],"tool":[60],"may":[62],"replace":[63],"some":[64],"current":[67],"traditional":[68],"cardiovascular":[69],"diagnostic":[70],"tools.":[71],"The":[72],"performance":[73],"proposed":[76],"when":[78],"tested":[79],"on":[80],"27":[81],"records":[82],"rest":[85],"showed":[86],"very":[87],"results.":[89]},"counts_by_year":[{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":3},{"year":2012,"cited_by_count":1}],"updated_date":"2026-09-12T09:15:50.089291","created_date":"2016-06-24T00:00:00"}
