{"id":"https://openalex.org/W2069680657","doi":"https://doi.org/10.1016/0002-8703(88)90488-7","title":"Echocardiographic imaging of the left ventricle by peripheral intravenous injection of echo contrast agent","display_name":"Echocardiographic imaging of the left ventricle by peripheral intravenous injection of echo contrast agent","publication_year":1988,"publication_date":"1988-02-01","ids":{"openalex":"https://openalex.org/W2069680657","doi":"https://doi.org/10.1016/0002-8703(88)90488-7","mag":"2069680657","pmid":"https://pubmed.ncbi.nlm.nih.gov/3341175"},"language":"en","primary_location":{"id":"doi:10.1016/0002-8703(88)90488-7","doi":"https://doi.org/10.1016/0002-8703(88)90488-7","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0002-8703(88)90488-7","pdf_url":null,"source":{"id":"https://openalex.org/S46995015","display_name":"American Heart Journal","issn_l":"0002-8703","issn":["0002-8703","1097-6744"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","doyens","jufo-2","ki-jl-1","medline","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"American Heart Journal","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"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/A5085446140","display_name":"Klaus Berwing","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I149899117","display_name":"Max Planck Society","ror":"https://ror.org/01hhn8329","country_code":"DE","type":"nonprofit","lineage":["https://openalex.org/I149899117"]},{"id":"https://openalex.org/I4210133626","display_name":"Kerckhoff Klinik","ror":"https://ror.org/04m54m956","country_code":"DE","type":"healthcare","lineage":["https://openalex.org/I4210133626"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Klaus Berwing","raw_affiliation_strings":["Kerckhoff Clinic of the Max Planck Society, Bad Nauheim, FRG"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Kerckhoff Clinic of the Max Planck Society, Bad Nauheim, FRG","institution_ids":["https://openalex.org/I149899117","https://openalex.org/I4210133626"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5054385434","display_name":"Martin Schlepper","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I149899117","display_name":"Max Planck Society","ror":"https://ror.org/01hhn8329","country_code":"DE","type":"nonprofit","lineage":["https://openalex.org/I149899117"]},{"id":"https://openalex.org/I4210133626","display_name":"Kerckhoff Klinik","ror":"https://ror.org/04m54m956","country_code":"DE","type":"healthcare","lineage":["https://openalex.org/I4210133626"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Martin Schlepper","raw_affiliation_strings":["Kerckhoff Clinic of the Max Planck Society Bad Nauheim, Federal Republic of Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Kerckhoff Clinic of the Max Planck Society Bad Nauheim, Federal Republic of Germany","institution_ids":["https://openalex.org/I149899117","https://openalex.org/I4210133626"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":4070,"currency":"USD","value_usd":4070},"apc_paid":null,"fwci":10.3809,"has_fulltext":false,"cited_by_count":70,"citation_normalized_percentile":{"value":0.9865764,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":93},"biblio":{"volume":"115","issue":"2","first_page":"399","last_page":"408"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10372","display_name":"Cardiac Imaging and Diagnostics","score":0.7871000170707703,"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"}},"topics":[{"id":"https://openalex.org/T10372","display_name":"Cardiac Imaging and Diagnostics","score":0.7871000170707703,"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"}},{"id":"https://openalex.org/T10821","display_name":"Cardiovascular Function and Risk Factors","score":0.0738999992609024,"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/T10172","display_name":"Cardiac Valve Diseases and Treatments","score":0.06019999831914902,"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/echocardiographic-contrast-agents","display_name":"echocardiographic contrast agents","score":0.7760000228881836},{"id":"https://openalex.org/keywords/microbubbles","display_name":"microbubbles","score":0.9229999780654907},{"id":"https://openalex.org/keywords/aortic-regurgitation","display_name":"aortic regurgitation","score":0.8830000162124634},{"id":"https://openalex.org/keywords/mitral-stenosis","display_name":"mitral stenosis","score":0.9620000123977661},{"id":"https://openalex.org/keywords/atrial-septal-defect","display_name":"atrial septal defect","score":0.9139999747276306},{"id":"https://openalex.org/keywords/left-ventricular-function","display_name":"left ventricular function","score":0.8690000176429749},{"id":"https://openalex.org/keywords/ejection-fraction","display_name":"ejection fraction","score":0.6899999976158142},{"id":"https://openalex.org/keywords/contrast-media-safety","display_name":"contrast media safety","score":0.33399999141693115}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.9333500266075134},{"id":"https://openalex.org/C2778921608","wikidata":"https://www.wikidata.org/wiki/Q2002035","display_name":"Ventricle","level":2,"score":0.7897264957427979},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.6784343123435974},{"id":"https://openalex.org/C164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","level":1,"score":0.6782512068748474},{"id":"https://openalex.org/C64012434","wikidata":"https://www.wikidata.org/wiki/Q6839290","display_name":"Microbubbles","level":3,"score":0.5951665639877319},{"id":"https://openalex.org/C2780714102","wikidata":"https://www.wikidata.org/wiki/Q616071","display_name":"Aortic valve","level":2,"score":0.505418062210083},{"id":"https://openalex.org/C2778119558","wikidata":"https://www.wikidata.org/wiki/Q4778773","display_name":"Aortography","level":3,"score":0.47162628173828125},{"id":"https://openalex.org/C2780968331","wikidata":"https://www.wikidata.org/wiki/Q1890115","display_name":"Shunt (medical)","level":2,"score":0.453605979681015},{"id":"https://openalex.org/C2780007028","wikidata":"https://www.wikidata.org/wiki/Q2343082","display_name":"Stenosis","level":2,"score":0.4352816045284271},{"id":"https://openalex.org/C126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","level":1,"score":0.3082319498062134},{"id":"https://openalex.org/C2779980429","wikidata":"https://www.wikidata.org/wiki/Q101004","display_name":"Aorta","level":2,"score":0.27192842960357666},{"id":"https://openalex.org/C143753070","wikidata":"https://www.wikidata.org/wiki/Q162564","display_name":"Ultrasound","level":2,"score":0.24301785230636597}],"mesh":[{"descriptor_ui":"D001022","descriptor_name":"Aortic Valve Insufficiency","qualifier_ui":"Q000175","qualifier_name":"diagnosis","is_major_topic":false},{"descriptor_ui":"D003287","descriptor_name":"Contrast Media","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D004452","descriptor_name":"Echocardiography","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true},{"descriptor_ui":"D005217","descriptor_name":"Fat Emulsions, Intravenous","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005290","descriptor_name":"Ferric Compounds","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005780","descriptor_name":"Gelatin","qualifier_ui":"Q000031","qualifier_name":"analogs & derivatives","is_major_topic":false},{"descriptor_ui":"D006331","descriptor_name":"Heart Diseases","qualifier_ui":"Q000175","qualifier_name":"diagnosis","is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008875","descriptor_name":"Middle Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":2,"locations":[{"id":"doi:10.1016/0002-8703(88)90488-7","doi":"https://doi.org/10.1016/0002-8703(88)90488-7","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0002-8703(88)90488-7","pdf_url":null,"source":{"id":"https://openalex.org/S46995015","display_name":"American Heart Journal","issn_l":"0002-8703","issn":["0002-8703","1097-6744"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","doyens","jufo-2","ki-jl-1","medline","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"American Heart Journal","raw_type":"journal-article"},{"id":"pmid:3341175","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/3341175","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,"listed_in":[],"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":"American heart journal","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Good health and well-being","score":0.98580002784729,"id":"https://metadata.un.org/sdg/3"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W1879058780","https://openalex.org/W1941681811","https://openalex.org/W1993190443","https://openalex.org/W1996227662","https://openalex.org/W2051987812","https://openalex.org/W2055379655","https://openalex.org/W2119486234","https://openalex.org/W2143094677","https://openalex.org/W2144172929","https://openalex.org/W2205837678","https://openalex.org/W2407629849","https://openalex.org/W2423953026","https://openalex.org/W2764656206","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W1998579781","https://openalex.org/W337429440","https://openalex.org/W1984252577","https://openalex.org/W1994479754","https://openalex.org/W2414628544","https://openalex.org/W4385877580","https://openalex.org/W1972052745","https://openalex.org/W2001053692","https://openalex.org/W336616505","https://openalex.org/W1975035138"],"abstract_inverted_index":null,"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}