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<article article-type="research-article" dtd-version="1.3" 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" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">perinatology</journal-id><journal-title-group><journal-title xml:lang="ru">Российский вестник перинатологии и педиатрии</journal-title><trans-title-group xml:lang="en"><trans-title>Rossiyskiy Vestnik Perinatologii i Pediatrii (Russian Bulletin of Perinatology and Pediatrics)</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1027-4065</issn><issn pub-type="epub">2500-2228</issn><publisher><publisher-name>Ltd. “The National Academy of Pediatric Science and Innovation”</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21508/1027-4065-2023-68-4-96-XX</article-id><article-id custom-type="elpub" pub-id-type="custom">perinatology-1855</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>КЛИНИЧЕСКИЕ СЛУЧАИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL CASES</subject></subj-group></article-categories><title-group><article-title>Идиопатическая (пароксизмальная) атриовентрикулярная блокада</article-title><trans-title-group xml:lang="en"><trans-title>Idiopathic paroxysmal atrioventricular block</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8195-5682</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ковалев</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kovalyov</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Игорь Александрович Ковалев, д. м. н., проф., зав. отделом</p><p>отдел детской кардиологии и аритмологии</p><p>124412</p><p>ул. Талдомская, д. 2</p><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><email xlink:type="simple">kovalev@pedklin.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4608-0168</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Соловьев</surname><given-names>В. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Soloviov</surname><given-names>V. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Владислав Михайлович Соловьев, врач - детский кардиолог, зав. отделением</p><p>отделение клинической и интервенционной аритмологии</p><p>124412</p><p>ул. Талдомская, д. 2</p><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3404-7213</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шабаева</surname><given-names>Э. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Shabaeva</surname><given-names>E. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Эмилия Руслановна Шабаева, врач-ординатор по специальности «Детская кардиология»</p><p>124412</p><p>ул. Талдомская, д. 2</p><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6561-3460</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Егоров</surname><given-names>Л. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Egorov</surname><given-names>L. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Лев Валерьевич Егоров, врач-ординатор по специальности «Детская кардиология»</p><p>124412</p><p>ул. Талдомская, д. 2</p><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2466-7865</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Термосесов</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Termosesov</surname><given-names>S. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сергей Артурович Термосесов, зав. отделением</p><p>отделение хирургического лечения сложных нарушений сердечного ритма</p><p>124412</p><p>ул. Талдомская, д. 2</p><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ОСП «Научно-исследовательский клинический институт педиатрии и детской хирургии им. академика Ю. Е. Вельтищева» (Институт Вельтищева) ФГАОУ ВО РНИМУ им. Н. И. Пирогова Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Veltischev Research and Clinical Institute for Pediatrics and Pediatric Surgery of the Pirogov Russian National Research Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>07</day><month>09</month><year>2023</year></pub-date><volume>68</volume><issue>4</issue><fpage>96</fpage><lpage>101</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ltd. “The National Academy of Pediatric Science and Innovation”, 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Ltd. “The National Academy of Pediatric Science and Innovation”</copyright-holder><copyright-holder xml:lang="en">Ltd. “The National Academy of Pediatric Science and Innovation”</copyright-holder><license xlink:href="https://www.ped-perinatology.ru/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://www.ped-perinatology.ru/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://www.ped-perinatology.ru/jour/article/view/1855">https://www.ped-perinatology.ru/jour/article/view/1855</self-uri><abstract><p>   Представлен клинический случай пароксизмальной атриовентрикулярной блокады — редкой и труднодиагностируемой причинs синкопальных состояний, в связи с чем у специалистов возникает затруднение при постановке правильного диагноза и определения тактики ведения пациента.</p><p>   Цель: демонстрация клинического случая, при котором применен комплексный метод обследования для выявления причины синкопе, имевшей ключевое значение при выборе тактики ведения.</p><p>   Для дифференциальной диагностики причин синкопе необходимо применять не только общепринятые методы обследования, но и использовать лекарственные пробы и устройства длительного мониторирования (многодневное суточное электрокардиографическое мониторирование по Холтеру, петлевые регистраторы длительной записи электрокардиограммы, умные часы и т. д.). Согласно клиническим рекомендациям пациенты с атриовентрикулярной блокадой и клинической симптоматикой нуждаются в постоянной кардиостимуляции для предотвращения асистолии, несущей потенциальную угрозу внезапной сердечной смерти.</p></abstract><trans-abstract xml:lang="en"><p>   The article presents a clinical case of paroxysmal atrioventricular block, which is a rare and difficult to diagnose cause of syncope, which makes it difficult for specialists to make a correct diagnosis and determine the tactics of patient management.</p><p>   Purpose. To demonstrate a clinical case, in which comprehensive methods of examination were carried out to identify the cause of syncope, and to show the need of understanding its pathogenesis.</p><p>   For differential diagnosis, it is necessary to carry out not only routine examination methods, but also to use drug tests, as well as long-term monitoring devices (multi-day daily Holter monitoring, loop recorders of long-term ECG recording, smart watches, etc.), which help to find the cause of syncope. According to the clinical recommendations, patients with atrioventricular block and clinical symptomatology, require continuous cardiac pacing in order to prevent asystole with potential sudden cardiac death.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>дети</kwd><kwd>пароксизмальная атриовентрикулярная блокада</kwd><kwd>диагностика</kwd><kwd>кардиостимуляция</kwd></kwd-group><kwd-group xml:lang="en"><kwd>children</kwd><kwd>paroxysmal atrioventricular block</kwd><kwd>diagnosis</kwd><kwd>cardio stimulation</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Pratt J., Fleisher G. Syncope in children and adolescents. Pediatr. Emerg Care 1989; 5(2): 80–82. DOI: 10.1097/00006565–198906000–00002</mixed-citation><mixed-citation xml:lang="en">Pratt J., Fleisher G. Syncope in children and adolescents. Pediatr. Emerg Care 1989; 5(2): 80–82. 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