<?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>0001-6002</journal-id>
<journal-title><![CDATA[Acta Médica Costarricense]]></journal-title>
<abbrev-journal-title><![CDATA[Acta méd. costarric]]></abbrev-journal-title>
<issn>0001-6002</issn>
<publisher>
<publisher-name><![CDATA[Colegio de Médicos y Cirujanos de Costa Rica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0001-60022019000100043</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Dolor torácico, electrocardiograma y enzimas cardiacas: una propuesta práctica de manejo hospitalario]]></article-title>
<article-title xml:lang="en"><![CDATA[Chest pain, electrocardiogram and cardiac enzimes: a practical proposal for hospital management]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gutiérrez-Sotelo]]></surname>
<given-names><![CDATA[Oswaldo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Clínica Bíblica Universidad de Ciencias Médicas ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</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>61</volume>
<numero>1</numero>
<fpage>43</fpage>
<lpage>47</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0001-60022019000100043&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S0001-60022019000100043&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S0001-60022019000100043&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La presentación clínica de la enfermedad arterioesclerótica coronaria abarca un espectro amplio: desde el paciente totalmente asintomático, a pesar de la existencia de lesiones obstructivas de grado variable en el árbol coronario, o bien, el paciente que refiere opresión precordial relacionada de manera exclusiva a esfuerzo físico, hasta el paciente que aqueja dolor precordial opresivo intenso de reposo, y acude a la sala de urgencias. En cada uno de estos contextos, existe una secuencia fisiopatológica distinta, a pesar de su origen común. Se presenta una propuesta práctica para el manejo del paciente con dolor torácico en la sala de urgencias, en diferentes contextos clínicos cuyo origen fisiopatológico es distinto; se comenta la utilidad y forma de interpretación del dosaje de las &#8220;enzimas cardiacas&#8221;.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The clinical presentation of coronary arteriosclerotic disease covers a broad spectrum: from the patient totally asymptomatic, despite the existence of obstructive lesions of variable degree in the coronary tree, or the patient who refers precordial oppression related exclusively to physical activity, even the patient who suffers severe oppressive precordial pain at rest, and goes to the emergency room. In each of these contexts, there is a distinct physiopathological sequence, despite its common origin. A practical proposal for the management of patients with chest pain in the emergency room, in different clinical contexts with a different pathophysiology is presented. The usefulness and interpretation of the dosage of the &#8220;cardiac enzymes&#8221; is discussed.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[dolor torácico]]></kwd>
<kwd lng="es"><![CDATA[trombosis coronaria]]></kwd>
<kwd lng="es"><![CDATA[enzimas cardíacas]]></kwd>
<kwd lng="en"><![CDATA[chest pain]]></kwd>
<kwd lng="en"><![CDATA[coronary thrombosis]]></kwd>
<kwd lng="en"><![CDATA[cardiac enzymes]]></kwd>
</kwd-group>
</article-meta>
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