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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">usfd</journal-id><journal-title-group><journal-title xml:lang="ru">Ультразвуковая и функциональная диагностика</journal-title><trans-title-group xml:lang="en"><trans-title>Ultrasound &amp; Functional Diagnostics</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1607-0771</issn><issn pub-type="epub">2408-9494</issn><publisher><publisher-name>RDS-Media Ltd.</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.24835/1607-0771-2022-2-86-104</article-id><article-id custom-type="elpub" pub-id-type="custom">usfd-32</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>Ультразвуковая диагностика заболеваний сердца и сосудов</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Cardiovascular Ultrasound</subject></subj-group></article-categories><title-group><article-title>Механическая дисперсия пиковой продольной деформации левого желудочка для оценки механической диссинхронии по данным спекл-трекинг эхокардиографии</article-title><trans-title-group xml:lang="en"><trans-title>Mechanical dispersion of peak longitudinal strain of the left ventricle in mechanical dissynchrony assessment by speckle-tracking echocardiography</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9725-7528</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Алехин</surname><given-names>М. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Alekhin</surname><given-names>M. N.</given-names></name></name-alternatives><email xlink:type="simple">amn@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБУ ДПО “Центральная государственная медицинская академия” Управления делами Президента Российской Федерации; ФГБУ “Центральная клиническая больница с поликлиникой” Управления делами Президента Российской Федерации</institution></aff><aff xml:lang="en"><institution>Central State Medical Academy of the Presidential Administration of the Russian Federation; Central Clinical Hospital of the Presidential Administration of the Russian Federation</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>18</day><month>01</month><year>2024</year></pub-date><volume>0</volume><issue>2</issue><fpage>86</fpage><lpage>104</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Алехин М.Н., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Алехин М.Н.</copyright-holder><copyright-holder xml:lang="en">Alekhin M.N.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" 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://usfd.rdsmedia.ru/jour/article/view/32">https://usfd.rdsmedia.ru/jour/article/view/32</self-uri><abstract><p>Статья представляет собой иллюстрированный обзор литературы, посвященный значению оценки механической диссинхронии сердца с помощью эхокардиографии. Особое внимание уделено анализу прогностического значения механической дисперсии пиковой продольной деформации при оценке механической диссинхронии левого желудочка с помощью спекл-трекинг эхокардиографии при различных заболеваниях и патологических состояниях. Представлены значения механической дисперсии пиковой продольной деформации при оценке механической диссинхронии левого желудочка в контрольных группах, а также при различных патологических состояниях и заболеваниях.</p></abstract><trans-abstract xml:lang="en"><p>The article is a pictorial review on the value of the assessment of mechanical dissynchrony in echocardiography. Special attention is paid to the prognostic value analysis of the mechanical dispersion of peak longitudinal strain of the left ventricle by speckle-tracking echocardiography in various diseases and pathological conditions. The values of this parameter in control groups and in various diseases and pathological conditions are presented.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>спекл-трекинг эхокардиография</kwd><kwd>механическая диссинхрония</kwd><kwd>систолическая деформация</kwd><kwd>механическая дисперсия</kwd><kwd>левый желудочек</kwd></kwd-group><kwd-group xml:lang="en"><kwd>speckle tracking echocardiography</kwd><kwd>mechanical dissynchrony</kwd><kwd>systolic strain</kwd><kwd>mechanical dispersion</kwd><kwd>left ventricle</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">Leren I.S., Hasselberg N.E., Saberniak J., Haland T.F., Kongsgard E., Smiseth O.A., Edvardsen T., Haugaa K.H. Cardiac mechanical alterations and genotype specific differences in subjects with long QT syndrome. JACC. Cardiovasc. 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