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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="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Kazan medical journal</journal-id><journal-title-group><journal-title xml:lang="en">Kazan medical journal</journal-title><trans-title-group xml:lang="ru"><trans-title>Казанский медицинский журнал</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0368-4814</issn><issn publication-format="electronic">2587-9359</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">52487</article-id><article-id pub-id-type="doi">10.17816/kazmj52487</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Miscellaneous</subject></subj-group></article-categories><title-group><article-title xml:lang="en">About two independent simultaneous rhythms in the atria</article-title><trans-title-group xml:lang="ru"><trans-title>О двух самостоятельных одновременных ритмах в предсердиях</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Rakhlin</surname><given-names>L. M.</given-names></name><name xml:lang="ru"><surname>Рахлин</surname><given-names>Л. М.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>info@eco-vector.com</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff id="aff1"><institution></institution></aff><pub-date date-type="pub" iso-8601-date="1936-12-13" publication-format="electronic"><day>13</day><month>12</month><year>1936</year></pub-date><volume>32</volume><issue>12</issue><issue-title xml:lang="ru"/><fpage>1444</fpage><lpage>1445</lpage><history><date date-type="received" iso-8601-date="2020-11-26"><day>26</day><month>11</month><year>2020</year></date><date date-type="accepted" iso-8601-date="2020-11-26"><day>26</day><month>11</month><year>2020</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2020, Rakhlin L.M.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2020, Рахлин Л.М.</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="en">Rakhlin L.M.</copyright-holder><copyright-holder xml:lang="ru">Рахлин Л.М.</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/">http://creativecommons.org/licenses/by-nc-sa/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://kazanmedjournal.ru/kazanmedj/article/view/52487">https://kazanmedjournal.ru/kazanmedj/article/view/52487</self-uri><abstract xml:lang="en"><p>Undoubtedly, one of the most interesting problems of modern electrocardiography is the question of intra-atrial blockade.</p></abstract><trans-abstract xml:lang="ru"><p>Несомненно, одной из интереснейших проблем современной электрокардиографии является вопрос о внутрипредсердной блокаде.</p></trans-abstract><kwd-group xml:lang="en"><kwd>Kazan Medical archive</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>Казанский медицинский архив</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Незлин, Тер. арх., 1935, 2.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Laufer, Z. f. klin. Med., 1934, 127, 648.</mixed-citation></ref><ref id="B3"><label>3.</label><mixed-citation>Scherf u. Siedek, Zt. f. kl. Med., 1934, 127, s. 77.</mixed-citation></ref><ref id="B4"><label>4.</label><mixed-citation>Geraudel. Arch, d. mal. d. coeur, 1935, 3.</mixed-citation></ref></ref-list></back></article>
