<?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>2078-7170</journal-id>
<journal-title><![CDATA[CorSalud]]></journal-title>
<abbrev-journal-title><![CDATA[CorSalud]]></abbrev-journal-title>
<issn>2078-7170</issn>
<publisher>
<publisher-name><![CDATA[Cardiocentro Ernesto Che Guevara]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2078-71702019000100054</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Arritmias y muerte súbita en la falla cardíaca: estratificación eléctrica de grupos de riesgo]]></article-title>
<article-title xml:lang="en"><![CDATA[Arrhythmias and sudden death in heart failure: electrical stratification of risk groups]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Dorantes Sánchez]]></surname>
<given-names><![CDATA[Margarita]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jerez Castro]]></surname>
<given-names><![CDATA[Ana M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto de Cardiología y Cirugía Cardiovascular Servicio de Arritmias y Estimulación Cardíaca ]]></institution>
<addr-line><![CDATA[La Habana ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto de Cardiología y Cirugía Cardiovascular Coordinadora del Programa Cubano de Falla Cardíaca ]]></institution>
<addr-line><![CDATA[La Habana ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2019</year>
</pub-date>
<volume>11</volume>
<numero>1</numero>
<fpage>54</fpage>
<lpage>61</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2078-71702019000100054&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2078-71702019000100054&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2078-71702019000100054&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Se presenta una panorámica de la falla cardíaca ligada a las arritmias y a la muerte súbita, que pueden coexistir, agravarse, o ser causa o consecuencia una de otra. Se discuten los signos eléctricos premonitorios que permiten estratificar riesgo en pacientes con eventos previos, con posible acercamiento a la realidad, y en quienes no los han presentado (la mayoría, los no protegidos), y resulta muy difícil o imposible establecer un pronóstico. Estos signos son numerosos, esquivos, de baja especificidad y sensibilidad, ninguno es absoluto ni despreciable, para interpretarlos se requiere una visión integral. Se discuten las extrasístoles ventriculares como predictoras y desencadenantes de arritmias, de muerte súbita y de miocardiopatía, y la utilidad de los procedimientos ablativos frente a los medicamentosos. Los signos eléctricos son buenos para identificar grandes grupos de riesgo pero no lo son tanto para, dentro del gran grupo de bajo riesgo (la mayoría), identificar los individuos de alto riesgo.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT In this research is presented an overview of heart failure related to arrhythmias and sudden death, which can coexist, worsen, or be cause or consequence of one another. Here are discussed the premonitory electrical signs that allow to stratify risk in patients with previous events, with a possible approach to reality, and in those who have not presented them (most of them, the unprotected ones) and where a prognosis is very difficult, or impossible, to be established. These signs are numerous, elusive, with low specificity and sensitivity, none is absolute or negligible, in order to interpret them, a comprehensive vision is required. Premature ventricular contractions are discussed as predictors and triggers of arrhythmias, sudden death and cardiomyopathy, as well as the usefulness of ablative procedures versus medications. Electrical signs are good for identifying large risk groups but not for identifying high risk individuals inside the large low risk group (the majority).]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Insuficiencia cardíaca]]></kwd>
<kwd lng="es"><![CDATA[Complejos ventriculares prematuros]]></kwd>
<kwd lng="es"><![CDATA[Arritmias ventriculares malignas]]></kwd>
<kwd lng="es"><![CDATA[Muerte súbita]]></kwd>
<kwd lng="en"><![CDATA[Heart failure]]></kwd>
<kwd lng="en"><![CDATA[Premature ventricular contractions]]></kwd>
<kwd lng="en"><![CDATA[Malignant ventricular arrhythmia]]></kwd>
<kwd lng="en"><![CDATA[Sudden death]]></kwd>
</kwd-group>
</article-meta>
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