<?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>1029-3019</journal-id>
<journal-title><![CDATA[MEDISAN]]></journal-title>
<abbrev-journal-title><![CDATA[MEDISAN]]></abbrev-journal-title>
<issn>1029-3019</issn>
<publisher>
<publisher-name><![CDATA[Centro Provincial de Información de Ciencias Médicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1029-30192019000100065</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Modificaciones del trazado electrocardiográfico y la contractilidad cardíaca en pacientes con cardiopatía isquémica rehabilitados mediante ejercicio físico]]></article-title>
<article-title xml:lang="en"><![CDATA[Modifications of the electrocardiographic tracing and heart contractility in patients with ischemic cardiopathy rehabilitated by means of physical exercise]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cartaya Ortiz]]></surname>
<given-names><![CDATA[Ernesto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[del Prado de la Torre]]></surname>
<given-names><![CDATA[Lisset]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[León Duharte]]></surname>
<given-names><![CDATA[Dalgis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Ciencias Médicas Policlínico Docente &#8220;28 de Septiembre&#8221; ]]></institution>
<addr-line><![CDATA[Santiago de Cuba ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Ciencias Médicas Facultad de Medicina No. 2 ]]></institution>
<addr-line><![CDATA[Santiago de Cuba ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2019</year>
</pub-date>
<volume>23</volume>
<numero>1</numero>
<fpage>65</fpage>
<lpage>76</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1029-30192019000100065&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1029-30192019000100065&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1029-30192019000100065&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Se realizó una investigación descriptiva, longitudinal y prospectiva de 41 pacientes con antecedentes de infarto agudo del miocardio, que formaron parte de un programa de rehabilitación cardiovascular en el Servicio de Terapia Física y Rehabilitación del Hospital General Docente &#8220;Dr. Juan Bruno Zayas Alfonso&#8221; de Santiago de Cuba, desde mayo de 2017 hasta igual mes de 2018, con vistas a evaluar el efecto del entrenamiento físico sobre la función cardiovascular de estos. Se examinó la función cardiovascular a través del ecocardiograma y el electrocardiograma, antes y después de aplicado el programa, y al final del estudio se obtuvo una modificación positiva de las variables eco- y electrocardiográficas, con un mayor grado de recuperación de la contractilidad segmentaria. Pudo concluirse que el programa tuvo un papel importante en la restauración de la función cardíaca y, con ello, se mejoró la capacidad física y psicológica de los pacientes, de manera que fue beneficioso para estos y para la sociedad.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT A descriptive, longitudinal and prospective investigation of 41 patients with a history of acute myocardial infarction who were part of a program of cardiovascular rehabilitation in the Service of Physical Therapy and Rehabilitation from "Dr. Juan Bruno Zayas Alfonso" Teaching General Hospital in Santiago de Cuba was carried out from May, 2017 to the same month in 2018, with the aim of evaluating the effect of the physical training on their cardiovascular function. The cardiovascular function was examined through the echocardiogram and the electrocardiogram, before and after the program was applied, and at the end of the study a positive modification of the echocardiographical and electrocardiographical variables was obtained with a higher degree of recovery of the segmental contractility. It could be concluded that the program had an important role in the restoration of the heart function and, with it, the physical and psychological capacity of the patients improved, so that it was beneficial for them and for the society.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[infarto del miocardio]]></kwd>
<kwd lng="es"><![CDATA[electrocardiografía]]></kwd>
<kwd lng="es"><![CDATA[contracción miocárdica]]></kwd>
<kwd lng="es"><![CDATA[terapia por ejercicio]]></kwd>
<kwd lng="es"><![CDATA[ejercicio físico]]></kwd>
<kwd lng="en"><![CDATA[myocardial infarction]]></kwd>
<kwd lng="en"><![CDATA[electrocardiography]]></kwd>
<kwd lng="en"><![CDATA[myocardial contraction]]></kwd>
<kwd lng="en"><![CDATA[exercise therapy]]></kwd>
<kwd lng="en"><![CDATA[physical exercise]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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