<?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>2954-3835</journal-id>
<journal-title><![CDATA[Cardiovascular and metabolic science]]></journal-title>
<abbrev-journal-title><![CDATA[Cardiovasc. metab. sci]]></abbrev-journal-title>
<issn>2954-3835</issn>
<publisher>
<publisher-name><![CDATA[Asociación Nacional de Cardiólogos de México A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2954-38352020000200053</article-id>
<article-id pub-id-type="doi">10.35366/94774</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Wellens&#8217; syndrome: report and review of a case]]></article-title>
<article-title xml:lang="es"><![CDATA[Síndrome de Wellens. Reporte y revisión de un caso]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aldana Varela]]></surname>
<given-names><![CDATA[Oswaldo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Chacón Juárez]]></surname>
<given-names><![CDATA[Giuliana Verónica]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Mercado]]></surname>
<given-names><![CDATA[Marco Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López Reyes]]></surname>
<given-names><![CDATA[Froylán Fernando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morales-Bernal]]></surname>
<given-names><![CDATA[Norma Eloisa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Centro Médico ISSEMYM «Lic. Arturo Montiel Rojas» Servicio de Cardiología y Cirugía Cardiovascular ]]></institution>
<addr-line><![CDATA[Toluca Estado de México]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Centro Médico ISSEMYM «Lic. Arturo Montiel Rojas» Servicio de Cardiología y Cirugía Cardiovascular ]]></institution>
<addr-line><![CDATA[Toluca Estado de México]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Centro Médico ISSEMYM «Lic. Arturo Montiel Rojas» Servicio de Cardiología y Cirugía Cardiovascular ]]></institution>
<addr-line><![CDATA[Toluca Estado de México]]></addr-line>
<country>México</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,ConsulMed  ]]></institution>
<addr-line><![CDATA[ Estado de México]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2020</year>
</pub-date>
<volume>31</volume>
<numero>2</numero>
<fpage>53</fpage>
<lpage>58</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2954-38352020000200053&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2954-38352020000200053&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2954-38352020000200053&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: Wellens&#8217; syndrome is a clinical entity characterized by an important occlusion of the left anterior descending artery (10-15% of incidence) in more than the 80% of the cases in the proximal segment, that is diagnosed with an electrocardiogram with the presence of precordial T wave inversion (V1-V5) in the 76% of the cases (type B) and in the 24% of the cases in V2-V3 leads (type 1). We present a patient evaluated in the emergency department for intermittent chest pain and T-wave inversion of the Wellens syndrome type B pattern, who was treated with percutaneous coronary intervention where a critical lesion was demonstrated in the medial anterior descending. This case shows how timely diagnosis prevents progression to extensive anterior acute myocardial infarction.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: El síndrome de Wellens es una entidad clínica caracterizada por una oclusión importante de la arteria descendente anterior izquierda (10-15% de incidencia) en más de 80% de los casos en el segmento proximal, que se diagnostica con electrocardiograma por la presencia de inversión de onda T precordial (V1-V5) en 76% de los casos (tipo B) y en 24% de los casos en derivaciones V2-V3 (tipo 1). Presentamos a un paciente evaluado en el Servicio de Urgencias por dolor torácico intermitente e inversión de la onda T del patrón del síndrome de Wellens tipo B, que fue tratado con intervención coronaria percutánea, en la que se demostró una lesión crítica en la descendente anterior media. Este caso muestra cómo el diagnóstico oportuno previene la progresión a infarto de miocardio agudo anterior extenso.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Wellens syndrome]]></kwd>
<kwd lng="en"><![CDATA[severe stenosis]]></kwd>
<kwd lng="en"><![CDATA[percutaneous coronary intervention]]></kwd>
<kwd lng="en"><![CDATA[stent]]></kwd>
<kwd lng="en"><![CDATA[acute myocardial infarction]]></kwd>
<kwd lng="es"><![CDATA[Síndrome de Wellens]]></kwd>
<kwd lng="es"><![CDATA[estenosis severa]]></kwd>
<kwd lng="es"><![CDATA[intervención coronaria percutánea]]></kwd>
<kwd lng="es"><![CDATA[stent]]></kwd>
<kwd lng="es"><![CDATA[infarto agudo al miocardio]]></kwd>
</kwd-group>
</article-meta>
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