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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">medalphabet</journal-id><journal-title-group><journal-title xml:lang="ru">Медицинский алфавит</journal-title><trans-title-group xml:lang="en"><trans-title>Medical alphabet</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2078-5631</issn><issn pub-type="epub">2949-2807</issn><publisher><publisher-name>ООО «Альфмед»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.33667/2078-5631-2026-6-28-32</article-id><article-id custom-type="elpub" pub-id-type="custom">medalphabet-4952</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>Статьи</subject></subj-group></article-categories><title-group><article-title>Клинический случай первичной диагностики четырехстворчатого аортального клапана в практике врача функциональной диагностики</article-title><trans-title-group xml:lang="en"><trans-title>A clinical case of primary diagnosis of the quadricuspid aortic valve in the practice of a functional diagnostic physician</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0008-3655-9742</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Долинная</surname><given-names>Д. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Dolinnaya</surname><given-names>D. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Долинная Дарья Львовна – врач функциональной диагностики кабинета ультразвуковых исследований сердца и сосудов отделения функциональной диагностики</p><p>г. Балашиха</p></bio><bio xml:lang="en"><p>Dolinnaya Darya Lvovna – a physician in functional diagnostics at the ultrasound examination office of the heart and blood vessels of the Department of functional diagnostics</p><p>Balashikha</p></bio><email xlink:type="simple">doli-darya@yandex.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/0009-0006-6365-2358</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Тагирова</surname><given-names>А. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Tagirova</surname><given-names>A. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Тагирова Альфия Ринатовна – к.м.н., начальник отделения функциональной диагностики, доцент кафедры клинической физиологии и функциональной диагностики</p><p>г. Балашиха</p><p>г. Москва</p></bio><bio xml:lang="en"><p>Tagirova Alfiya Rinatovna – candidate of Medical Sciences, Head of the Functional Diagnostics Department, Associate Professor of the Department of Clinical Physiology and Functional Diagnostics</p><p>Balashikha</p><p>Moscow</p></bio><email xlink:type="simple">tagal78@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0005-5192-1314</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Степанов</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Stepanov</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Степанов Александр Владимирович – врач функциональной диагностики, старший преподаватель кафедры клинической физиологии и функциональной диагностики</p><p>г. Балашиха</p><p>г. Москва</p></bio><bio xml:lang="en"><p>Stepanov Alexander Vladimirovich – a physician of functional diagnostics, senior lecturer at the Department of Clinical Physiology and Functional Diagnostics</p><p>Balashikha</p><p>Moscow</p></bio><email xlink:type="simple">podoroznik@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0690-2174</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Долинный</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Dolinnyi</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Долинный Сергей Владимирович – к.м.н., врач анестезиолог-реаниматолог</p><p>г. Москва</p></bio><bio xml:lang="en"><p>Dolinnyi Sergei Vladimirovich – Ph.D. of Sciences, Anesthesiologist-Resuscitator</p><p>Moscow</p></bio><email xlink:type="simple">Sdolinny.ru@yandex.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0006-6519-1962</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Беднова</surname><given-names>В. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Bednova</surname><given-names>V. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Беднова Виктория Сергеевна – начальник кабинета ультразвуковых исследований периферических сосудов отделения функциональной диагностики</p><p>г. Балашиха</p></bio><bio xml:lang="en"><p>Bednova Viktoria Sergeevna – head of the office of ultrasound examinations of peripheral vessels of the Department of functional diagnostics</p><p>Balashikha</p></bio><email xlink:type="simple">vik_2008@inbox.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Жаркова</surname><given-names>Е. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Zharkova</surname><given-names>E. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Жаркова Елена Сергеевна – начальник кабинета ультразвуковых исследований сердца и сосудов отделения функциональной диагностики</p><p>г. Балашиха</p></bio><bio xml:lang="en"><p>Zharkova Elena Sergeevna – head of the office of ultrasound examinations of heart and peripheral vessels</p><p>Balashikha</p></bio><email xlink:type="simple">solnishco.74@mail.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/0000-0003-3583-6839</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Берестень</surname><given-names>Н. Ф.</given-names></name><name name-style="western" xml:lang="en"><surname>Beresten</surname><given-names>N. F.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Берестень Наталья Федоровна – д.м.н., профессор кафедры клинической физиологии и функциональной диагностики</p><p> г. Москва</p></bio><bio xml:lang="en"><p>Beresten Natalya Fedorovna – Doctor of Medical Sciences, Professor of the Department of Clinical Physiology and Functional Diagnostics</p><p>Moscow</p></bio><email xlink:type="simple">nberesten@yandex.ru</email><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3417-5530</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ткаченко</surname><given-names>С. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Tkachenko</surname><given-names>S. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ткаченко Сергей Борисович – д.м.н., профессор, член-корр. РАН, заведующий кафедрой клинической физиологии и функциональной диагностики</p><p>г. Москва</p></bio><bio xml:lang="en"><p>Tkachenko Sergey Borisovich – Doctor of Medical Sciences, Professor, Corresponding Member of the Russian Academy of Sciences, Head of the Department of Clinical Physiology and Functional Diagnostics</p><p>Moscow</p></bio><email xlink:type="simple">4200@yandex.ru</email><xref ref-type="aff" rid="aff-4"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">ФГКУЗ «Главный военный клинический госпиталь войск национальной гвардии Российской Федерации»<country>Россия</country></aff><aff xml:lang="en">FGKUZ «Main Military Clinical Hospital of the National Guard Troops of the Russian Federation»<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">ФГКУЗ «Главный военный клинический госпиталь войск национальной гвардии Российской Федерации»;  ФГБОУДПО «Российская медицинская академия непрерывного профессионального образования  &#13;
Министерства здравоохранения Российской Федерации»<country>Россия</country></aff><aff xml:lang="en">FGKUZ «Main Military Clinical Hospital of the National Guard Troops of the Russian Federation»; 2FSBEI DPO «Russian Medical Academy of Continuing Professional Education of the Ministry of Health of the Russian Federation»<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru">Общество с ограниченной ответственностью «МЕДАЭРО-СЕРВИС»<country>Россия</country></aff><aff xml:lang="en">MEDAERO-SERVICE LLС<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru">ФГБОУДПО «Российская медицинская академия непрерывного профессионального образования  &#13;
Министерства здравоохранения Российской Федерации»<country>Россия</country></aff><aff xml:lang="en">FSBEI DPO «Russian Medical Academy of Continuing Professional Education of the Ministry of Health of the Russian Federation»<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>13</day><month>04</month><year>2026</year></pub-date><volume>0</volume><issue>6</issue><issue-title>Современная функциональная диагностика (1)</issue-title><fpage>28</fpage><lpage>32</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Долинная Д.Л., Тагирова А.Р., Степанов А.В., Долинный С.В., Беднова В.С., Жаркова Е.С., Берестень Н.Ф., Ткаченко С.Б., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Долинная Д.Л., Тагирова А.Р., Степанов А.В., Долинный С.В., Беднова В.С., Жаркова Е.С., Берестень Н.Ф., Ткаченко С.Б.</copyright-holder><copyright-holder xml:lang="en">Dolinnaya D.L., Tagirova A.R., Stepanov A.V., Dolinnyi S.V., Bednova V.S., Zharkova E.S., Beresten N.F., Tkachenko S.B.</copyright-holder><license license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.med-alphabet.com/jour/article/view/4952">https://www.med-alphabet.com/jour/article/view/4952</self-uri><abstract><p>Четырехстворчатый клапан аорты (ЧКА) – редкая врожденная аномалия сердца, которая может длительно протекать бессимптомно. Современные методы неиинвазивной визуализации существенно смещают сроки диагностики и позволяют выявлять таких пациентов в более ранние сроки и адекватно их наблюдать.</p></abstract><trans-abstract xml:lang="en"><p>The quadricuspid aortic valve (QAV) is a rare congenital heart anomaly that can remain asymptomatic for a long time. Modern non-invasive imaging methods significantly shift the timing of diagnosis and allow for the identification of such patients at earlier stages and their adequate monitoring.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>четырехстворчатый клапан аорты</kwd><kwd>врожденная аномалия сердца</kwd><kwd>аортальная регургитация</kwd></kwd-group><kwd-group xml:lang="en"><kwd>quadricuspid aortic valve</kwd><kwd>congenital heart anomaly</kwd><kwd>aortic regurgitation</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">Беришвили И. И., Скопин И. И. 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