<?xml version="1.0" encoding="ISO-8859-1"?><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">
<front>
<journal-meta>
<journal-id>0120-5633</journal-id>
<journal-title><![CDATA[Revista Colombiana de Cardiología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Colomb. Cardiol.]]></abbrev-journal-title>
<issn>0120-5633</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Colombiana de Cardiologia. Oficina de Publicaciones]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-56332022000200226</article-id>
<article-id pub-id-type="doi">10.24875/rccar.m22000141</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Arritmias ventriculares en el síndrome de takotsubo: cuestión de sexo]]></article-title>
<article-title xml:lang="en"><![CDATA[Sex-related risk of arrhythmia in takotsubo syndrome]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramos-Jiménez]]></surname>
<given-names><![CDATA[Javier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez-Vega]]></surname>
<given-names><![CDATA[Juan D.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zamorano-Gómez]]></surname>
<given-names><![CDATA[José L.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Centro de Investigación Biomédica en Red Enfermedades Cardiovasculares (CIBERCV) Universidad de Alcalá de Henares Departamento de Cardiología, Hospital Ramón y Cajal]]></institution>
<addr-line><![CDATA[Madrid ]]></addr-line>
<country>España</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2022</year>
</pub-date>
<volume>29</volume>
<numero>2</numero>
<fpage>226</fpage>
<lpage>230</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-56332022000200226&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-56332022000200226&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-56332022000200226&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El síndrome de takotsubo, también conocido como miocardiopatía de estrés, representa un difícil reto diagnóstico, pues en muchos casos su presentación es superponible al infarto de miocardio por ruptura de placa; el diagnóstico definitivo se basa en la ausencia de lesiones culpables en la coronariografía. La fisiopatología de la enfermedad no está por completo establecida, y tiene un pronóstico generalmente benigno. Sin embargo, existe un porcentaje no despreciable de pacientes que sufren complicaciones graves, entre las que destacan las arritmias malignas tipo taquicardia ventricular polimórfica por prolongación del intervalo QT. A pesar de que el síndrome de takotsubo afecta principalmente a las mujeres, quienes por otra parte también suelen tener intervalos QT más prolongados en condiciones basales, la muerte súbita de origen arrítmico aparece con mayor frecuencia en los hombres que sufren esta enfermedad. Se presentan dos casos de ensanchamiento extremo del intervalo QT corregido en pacientes con takotsubo que tuvieron desenlaces diferentes. El propósito de este trabajo es destacar y revisar las diferencias electrocardiográficas y pronósticas relacionadas con el sexo de los sujetos que desarrollan esta controvertida enfermedad.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Takotsubo syndrome, also known as stress cardiomyopathy, is a difficult diagnostic challenge as, in many cases, its presentation can overlap with that of myocardial infarction due to plaque rupture. The definitive diagnosis is based on the lack of culprit lesions on coronariography. The pathophysiology of the disease has not been completely ascertained, and it has a generally benign prognosis. However, a not inconsiderable percentage of patients experience serious complications, notably malignant arrhythmias like polymorphic ventricular tachycardia due to a prolonged QT interval. Despite takotsubo syndrome affecting mainly women who, furthermore, generally have longer basal QT intervals, sudden death due to arrhythmias is more common in men with this disease. Two cases are presented of extremely prolonged corrected QT intervals in patients with takotsubo, with different outcomes. The purpose of this paper is to highlight and review the electrocardiographic and prognostic differences related to the gender of the individuals who develop this controversial disease.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Takotsubo]]></kwd>
<kwd lng="es"><![CDATA[Miocardiopatía de estrés]]></kwd>
<kwd lng="es"><![CDATA[Torsade de pointes]]></kwd>
<kwd lng="es"><![CDATA[Intervalo QT]]></kwd>
<kwd lng="es"><![CDATA[Taquicardia ventricular]]></kwd>
<kwd lng="en"><![CDATA[Takotsubo]]></kwd>
<kwd lng="en"><![CDATA[Stress cardiomyopathy]]></kwd>
<kwd lng="en"><![CDATA[Torsade de pointes]]></kwd>
<kwd lng="en"><![CDATA[QT interval]]></kwd>
<kwd lng="en"><![CDATA[Ventricular tachycardia]]></kwd>
</kwd-group>
</article-meta>
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<article-title xml:lang=""><![CDATA[Takotsubo cardiomyopathy and QT interval prolongation:who are the patients at risk for torsades de pointes?]]></article-title>
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<volume>42</volume>
<numero>4</numero>
<issue>4</issue>
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