{"doi":"10.1016/j.hrcr.2021.06.002","title":"Classic and atypical Wenckebach periodicity in a late gestation fetus with maternal anti-Ro/SSA antibodies","abstract":"Atrioventricular (AV) block occurring between 18 and 25 weeks of gestation is the most common expression of maternal anti-Ro/SSA antibody–mediated fetal cardiac disease. Over 90% of affected fetuses present with irreversible third-degree AV block and normal QRS duration and require lifelong cardiac pacing.1 However, anecdotal reports identify progression from first- to second- to third-degree AV block over several hours to several days.2,3 Other prenatal arrhythmias have been reported, including ventricular ectopy, junctional ectopic tachycardia, sinus bradycardia, and atrial flutter.","journal":"HeartRhythm Case Reports","year":2021,"id":212010,"datarank":0.10397207708399181,"base_score":0.6931471805599453,"endowment":0.6931471805599453,"self_citation_contribution":0.10397207708399181,"citation_network_contribution":0.0,"self_endowment_contribution":0.10397207708399181,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":1,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":0.9568,"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":802402,"name":"Johannes von Alvensleben","orcid":null,"position":1,"is_corresponding":false},{"id":733851,"name":"D. Woodrow Benson","orcid":"0000-0002-1134-1973","position":2,"is_corresponding":false},{"id":355543,"name":"Bettina F. Cuneo","orcid":"0000-0001-9085-0882","position":3,"is_corresponding":false},{"id":801985,"name":"Melanie R. F. Gropler","orcid":"0000-0002-7254-7844","position":0,"is_corresponding":true}],"reference_count":14,"raw_metadata":{"citation_network_status":"fetched"},"created_at":"2026-07-18T23:52:23.670339Z","pmid":"34552853","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":[]}