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<article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Science and Innovations in Medicine</journal-id><journal-title-group><journal-title xml:lang="en">Science and Innovations in Medicine</journal-title><trans-title-group xml:lang="ru"><trans-title>Наука и инновации в медицине</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2500-1388</issn><issn publication-format="electronic">2618-754X</issn><publisher><publisher-name xml:lang="en">FSBEI of Higher Education SamSMU of Ministry of Health of the Russian Federation</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">81178</article-id><article-id pub-id-type="doi">10.35693/2500-1388-2022-7-1-45-49</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Cardiology</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Кардиология</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Atrial fibrillation in COVID-19 convalescent patient</article-title><trans-title-group xml:lang="ru"><trans-title>Особенности течения фибрилляции предсердий у реконвалесцента COVID-19</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8334-2134</contrib-id><name-alternatives><name xml:lang="en"><surname>Slatova</surname><given-names>Lyudmila N.</given-names></name><name xml:lang="ru"><surname>Слатова</surname><given-names>Людмила Николаевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD, Associate professor, Department of General and clinical pathology: pathological anatomy, pathological physiology</p></bio><bio xml:lang="ru"><p>канд. мед. наук, доцент кафедры общей и клинической патологии: патологической анатомии, патологической физиологии</p></bio><email>l.n.slatova@samsmu.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0073-3397</contrib-id><name-alternatives><name xml:lang="en"><surname>Borzenkova</surname><given-names>Galina A.</given-names></name><name xml:lang="ru"><surname>Борзенкова</surname><given-names>Галина Александровна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Organ function test doctor, Functional Diagnostics Department, Clinics of SamSMU</p></bio><bio xml:lang="ru"><p>врач функциональной диагностики отделения функциональной диагностики Клиник СамГМУ</p></bio><email>g.a.borzenkova@samsmu.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7566-574X</contrib-id><name-alternatives><name xml:lang="en"><surname>Fedorina</surname><given-names>Tatyana A.</given-names></name><name xml:lang="ru"><surname>Федорина</surname><given-names>Татьяна Александровна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD, Professor, Head of the Department of General and clinical pathology: pathological anatomy, pathological physiology</p></bio><bio xml:lang="ru"><p>д-р мед. наук, профессор, заведующая кафедрой общей и клинической патологии: патологической анатомии, патологической физиологии</p></bio><email>t.a.fedorina@samsmu.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Samara State Medical University</institution></aff><aff><institution xml:lang="ru">ФГБОУ ВО «Самарский государственный медицинский университет» Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2022-01-15" publication-format="electronic"><day>15</day><month>01</month><year>2022</year></pub-date><volume>7</volume><issue>1</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>45</fpage><lpage>49</lpage><history><date date-type="received" iso-8601-date="2021-09-27"><day>27</day><month>09</month><year>2021</year></date><date date-type="accepted" iso-8601-date="2022-01-02"><day>02</day><month>01</month><year>2022</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2021, Slatova L.N., Borzenkova G.A., Fedorina T.A.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2021, Слатова Л.Н., Борзенкова Г.А., Федорина Т.А.</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="en">Slatova L.N., Borzenkova G.A., Fedorina T.A.</copyright-holder><copyright-holder xml:lang="ru">Слатова Л.Н., Борзенкова Г.А., Федорина Т.А.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://innoscience.ru/2500-1388/article/view/81178">https://innoscience.ru/2500-1388/article/view/81178</self-uri><abstract xml:lang="en"><p>We present a clinical case of spontaneous recovery of sinus rhythm in a patient with persistent atrial fibrillation who underwent COVID-19 infection. Global and Russian data on the effect of COVID-19 infection on the development and course of atrial fibrillation are discussed. </p></abstract><trans-abstract xml:lang="ru"><p>Представлено клиническое наблюдение спонтанного восстановления синусового ритма у пациента с постоянной формой фибрилляции предсердий, перенесшего COVID-19. Обсуждаются мировые и российские данные о влиянии новой коронавирусной инфекции на развитие и течение фибрилляции предсердий. </p></trans-abstract><kwd-group xml:lang="en"><kwd>atrial fibrillation</kwd><kwd>COVID-19</kwd><kwd>sinus rhythm</kwd><kwd>comorbid patient</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>фибрилляция предсердий</kwd><kwd>COVID-19</kwd><kwd>синусовый ритм</kwd><kwd>коморбидный пациент</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Chugh S, Havmoeller R, Narayanan K, et al. Worldwide epidemiology of atrial fibrillation. 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