<?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>S2078-71702019000400296</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Alteraciones electrocardiográficas en jóvenes atletas de alto rendimiento]]></article-title>
<article-title xml:lang="en"><![CDATA[Electrocardiographic disorders in young high-performance athletes]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Medrano Plana]]></surname>
<given-names><![CDATA[Yuri]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castillo Marcillo]]></surname>
<given-names><![CDATA[Ángel R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lugo Morales]]></surname>
<given-names><![CDATA[Adalberto M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arévalo Andrade]]></surname>
<given-names><![CDATA[Marco A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Laica Eloy Alfaro Facultad de Ciencias Médicas ]]></institution>
<addr-line><![CDATA[Manta Manabí]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital General Rodríguez Zambrano Servicio de Cardiología, ]]></institution>
<addr-line><![CDATA[Manta Manabí]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Centro de Especialidades Cardiovasculares  ]]></institution>
<addr-line><![CDATA[Maracaibo Zulia]]></addr-line>
<country>Venezuela</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Club Deportivo Delfín Sc  ]]></institution>
<addr-line><![CDATA[Manta Manabí]]></addr-line>
<country>Ecuador</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<volume>11</volume>
<numero>4</numero>
<fpage>296</fpage>
<lpage>301</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2078-71702019000400296&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2078-71702019000400296&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2078-71702019000400296&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  El ejercicio físico genera beneficios para la salud, pero en el caso de los atletas el entrenamiento deportivo intenso desarrolla cambios morfológicos y fisiológicos en el corazón. Muchos de estos cambios, denominados «normales o fisiológicos», y otros hallazgos «anormales o patológicos» -que sugieran la existencia de una enfermedad cardiovascular subyacente- pueden ser detectados con la realización de un electrocardiograma.  Objetivos:  Identificar los trastornos electrocardiográficos presentes en jóvenes atletas de alto rendimiento de un club deportivo de fútbol.  Método: Se estudiaron 40 atletas del género masculino en el período de enero a junio de 2019. Los deportistas fueron evaluados mediante interrogatorio, examen físico y electrocardiograma en reposo.  Resultados: Fueron detectados múltiples hallazgos electrocardiográficos normales, según los criterios internacionales para su interpretación en deportistas. La bradicardia sinusal (60%) fue el más frecuente. La aparición aislada de desviación del eje eléctrico hacia la derecha (&gt; 120°) y el bloqueo completo de rama derecha, resultaron los únicos hallazgos limítrofes encontrados. La presencia de ondas T invertidas (10%), trastornos de conducción intraventricular (7,5%) y ondas Q anómalas (5%) fueron los hallazgos patológicos que con mayor frecuencia se detectaron.  Conclusiones: El electrocardiograma de doce derivaciones constituye un estudio importante para la detección de hallazgos electrocardiográficos fisiológicos relacionados con el entrenamiento deportivo en atletas de alto rendimiento, así como de alteraciones anormales o patológicas que sugieran la existencia de enfermedad cardiovascular y constituyan un factor de riesgo desencadenante de muerte súbita de origen cardíaco.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  Physical exercise is extremely beneficial to health; but in the case of athletes, intense sports training develops morphological and physiological changes in the heart. Many of these changes, called &#8220;normal or physiological&#8221;, and other &#8220;abnormal or pathological&#8221; findings -which could suggest the presence of underlying cardiovascular disease- can be detected by an electrocardiogram.  Objectives:  To identify electrocardiographic disorders present in young high-performance athletes of a soccer club.  Method:  Forty male athletes were studied in the period January to June 2019. The athletes were evaluated by questioning, physical examination and electrocardiogram at rest.  Results:  A number of normal electrocardiographic findings -according to the international criteria for electrocardiographic interpretation in athletes- were found. Sinus bradycardia was the most frequent (60%). The isolated appearance of right axis deviation (&gt;120°) and complete right bundle branch block were the only borderline findings. The presence of inverted T waves (10%), intraventricular conduction disorders (7.5%) and anomalous Q waves (5%) were the most frequent pathological findings.  Conclusions:  The twelve-lead electrocardiogram remains an important means of detecting physiological electrocardiographic findings related to sports training in high-performance athletes, as well as abnormal or pathological alterations that may be suggestive of cardiovascular disease, in addition to being triggering risk factors for sudden cardiac death.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Electrocardiografía]]></kwd>
<kwd lng="es"><![CDATA[Ejercicio]]></kwd>
<kwd lng="es"><![CDATA[Muerte súbita cardíaca]]></kwd>
<kwd lng="es"><![CDATA[Causa de muerte]]></kwd>
<kwd lng="en"><![CDATA[Electrocardiography]]></kwd>
<kwd lng="en"><![CDATA[Exercise]]></kwd>
<kwd lng="en"><![CDATA[Sudden cardiac death]]></kwd>
<kwd lng="en"><![CDATA[Cause of death]]></kwd>
</kwd-group>
</article-meta>
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