{"doi":"10.1121/1.412809","title":"Correction of errors in Doppler peak velocity measurements made with commercial ultrasound systems","abstract":"<jats:p>Commercial Duplex ultrasound systems primarily measure peak velocity of blood flow to provide information in diagnosing vascular disease. However, due to errors caused by intrinsic spectral broadening (ISB), the accuracy decreases as Doppler angle increases. In general, vascular technologists keep the Doppler angle under 60°. Since most vessels in the body run almost parallel with the skin surface, any criteria requiring a Doppler angle of say 45° or less would be difficult to achieve. Using the transverse Doppler equation [Newhouse etal., 2091–2098 (1984)] as a correction for ISB, in cojunction with the classical Doppler equation, much more accurate peak velocity measurements were obtained at Doppler angle as high as 80°.</jats:p>","journal":"The Journal of the Acoustical Society of America","year":1995,"id":621504,"datarank":0.0,"base_score":0.0,"endowment":0.0,"self_citation_contribution":0.0,"citation_network_contribution":0.0,"self_endowment_contribution":0.0,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":0,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":null,"is_data_producer":false,"deposit_databanks":null,"is_oa":false,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":null,"fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":645042,"name":"Junru Wu","orcid":"0000-0002-8593-0703","position":1,"is_corresponding":false},{"id":1604988,"name":"Andrew J. Winkler","orcid":null,"position":0,"is_corresponding":false}],"reference_count":0,"raw_metadata":{"has_enrichment":true,"resolved":true,"title":"Correction of errors in Doppler peak velocity measurements made with commercial ultrasound systems","abstract":"<jats:p>Commercial Duplex ultrasound systems primarily measure peak velocity of blood flow to provide information in diagnosing vascular disease. However, due to errors caused by intrinsic spectral broadening (ISB), the accuracy decreases as Doppler angle increases. In general, vascular technologists keep the Doppler angle under 60°. Since most vessels in the body run almost parallel with the skin surface, any criteria requiring a Doppler angle of say 45° or less would be difficult to achieve. Using the transverse Doppler equation [Newhouse etal., 2091–2098 (1984)] as a correction for ISB, in cojunction with the classical Doppler equation, much more accurate peak velocity measurements were obtained at Doppler angle as high as 80°.</jats:p>","is_dataset_classified":null,"base_score":0.0,"endowment":0.0,"datacite_reuse_total":0,"file_count":0,"downloads":0,"views":0,"has_version_chain":false,"is_dataset":false,"is_oa":false,"pmid":"19767382","pmcid":null,"openalex_id":"https://openalex.org/W1965890187","authors":[],"funders":[],"total_grants":0,"fwci":null,"citation_percentile":null,"influential_citations":0,"citation_trend":[],"oa_status":"closed","license":null,"oa_locations":[{"url":"https://pubs.aip.org/asa/jasa/article-pdf/97/5_Supplement/3326/19907914/jas.v97.i5.3326_3.online.pdf","host_type":"publisher"},{"url":"https://doi.org/10.1121/1.412809","host_type":"journal"}],"fields_of_study":["Cardiovascular Health and Disease Prevention","Ultrasound Imaging and Elastography","Ultrasound and Hyperthermia Applications"],"mesh_terms":[],"keywords":["Doppler effect","Doppler ultrasound","Doppler broadening","Transverse plane","Blood flow","Ultrasound","Laser Doppler velocimetry","Physics","Acoustics","Optics","Medicine","Radiology","Spectral line"],"sdg_mappings":[{"sdg_number":0,"sdg_label":"Good health and well-being"}],"linked_datasets":[],"clinical_trials":[],"software_tools":[],"database_accessions":[],"source":"live","citation_network_status":"fetched"},"created_at":"2026-08-03T14:50:34.880564Z","pmid":null,"pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}