<?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>S0120-56332016000600500</article-id>
<article-id pub-id-type="doi">10.1016/j.rccar.2016.01.024</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Isquemia miocárdica: conceptos básicos, diagnóstico e implicaciones clínicas. Segunda parte]]></article-title>
<article-title xml:lang="en"><![CDATA[Myocardial ischemia: basic concepts, diagnosis and clinical implications. Part two]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Moreno]]></surname>
<given-names><![CDATA[Pedro R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Portillo]]></surname>
<given-names><![CDATA[Juan H. del]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Icahn School of Medicine at Mount Sinai  ]]></institution>
<addr-line><![CDATA[New York ]]></addr-line>
<country>USA</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Fundación Santa Fe de Bogotá Departamento de Cardiología ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2016</year>
</pub-date>
<volume>23</volume>
<numero>6</numero>
<fpage>500</fpage>
<lpage>507</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-56332016000600500&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-56332016000600500&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-56332016000600500&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La isquemia miocárdica puede ser irreversible o reversible dependiendo de diferentes factores moleculares y fisiológicos. En la isquemia miocárdica irreversible se presentan tres tipos de muerte celular a nivel miocárdico: la necrosis, la apoptosis y la autofagia; mientras en la isquemia reversible la restauración de la función de los miocitos está determinada por factores como el restablecimiento temprano del flujo sanguíneo coronario y fenómenos de pre y posacondicionamiento isquémico. Conceptos como el miocardio aturdido (disfunción mecánica temporal luego de una lesión isquémica pero con flujo sanguíneo normal en ausencia de cualquier lesión irreversible) y el miocardio hibernante (región miocárdica viable, sin contractilidad) son formas quiescentes de la función cardiaca y explican un poco la capacidad del miocardio de restablecer su funcionamiento normal luego de un episodio de isquemia.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Myocardial ischemia can be irreversible or reversible depending on multiple molecular and physiological factors. In irreversible myocardial ischemia there are three types of cell death on a myocardial level: necrosis, apoptosis and autophagy; whereas in reversible ischemia the restoration of the myocytes is determined by factors such as early recovery of coronary blood flow and pre- and postischemic conditioning phenomena. Concepts such as stunned myocardium (temporary mechanical dysfunction following an ischemic episode but with normal blood flow and without irreversible damage) and hibernating myocardium (viable myocardial region without contractility) are quiescent forms of the cardiac function and explain the ability of the myocardium to resume its normal functioning after an ischemic episode.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Enfermedad]]></kwd>
<kwd lng="es"><![CDATA[coronaria]]></kwd>
<kwd lng="es"><![CDATA[Isquemia]]></kwd>
<kwd lng="es"><![CDATA[Cardiopatía isquémica]]></kwd>
<kwd lng="es"><![CDATA[Hibernación]]></kwd>
<kwd lng="es"><![CDATA[Flujo sanguíneo.]]></kwd>
<kwd lng="en"><![CDATA[Coronary disease]]></kwd>
<kwd lng="en"><![CDATA[Ischemia]]></kwd>
<kwd lng="en"><![CDATA[Ischemic cardiac pathology]]></kwd>
<kwd lng="en"><![CDATA[Hibernation]]></kwd>
<kwd lng="en"><![CDATA[Blood Flow.]]></kwd>
</kwd-group>
</article-meta>
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