{"doi":"10.1121/10.0005764","title":"Positive chronotropic effect caused by transthoracic ultrasound in heart of rats","abstract":"Pulsed ultrasound can produce chronotropic and inotropic effects on the heart with potential therapeutic applications. Fourteen 3-month-old female rats were exposed transthoracically to 3.5-MHz 2.0-MPa peak rarefactional pressure amplitude ultrasonic pulses of increasing 5-s duration pulse repetition frequency (PRF) sequences. An increase in the heart rate was observed following each PRF sequence: an ∼50% increase after the 4-5-6 Hz sequence, an ∼57% increase after the 5-6-7 Hz sequence, and an ∼48% increase after the 6-7-8 Hz sequence. Other cardiac parameters showed a normal or indicated a compensatory decrease at 3 and 15 min post-ultrasound compared to control.","journal":"JASA Express Letters","year":2021,"id":226133,"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":0.9584,"is_data_producer":false,"deposit_databanks":null,"is_oa":true,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":"2021-01-01","fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":829131,"name":"Rahul S. Yerrabelli","orcid":"0000-0002-7670-9601","position":1,"is_corresponding":false},{"id":829653,"name":"Anton Christensen","orcid":null,"position":2,"is_corresponding":false},{"id":829132,"name":"Marcin Woźniak","orcid":"0000-0002-7129-2202","position":3,"is_corresponding":false},{"id":686488,"name":"Alex Lucas","orcid":"0000-0001-6830-9360","position":4,"is_corresponding":false},{"id":259402,"name":"William D. O’Brien","orcid":"0000-0002-9298-7556","position":5,"is_corresponding":false},{"id":532054,"name":"Olivia C. Coiado","orcid":"0000-0003-1322-5877","position":0,"is_corresponding":true}],"reference_count":37,"raw_metadata":null,"created_at":"2026-07-18T23:54:34.185847Z","pmid":"34396365","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":[]}