<?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>1409-4142</journal-id>
<journal-title><![CDATA[Revista Costarricense de Cardiología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. costarric. cardiol]]></abbrev-journal-title>
<issn>1409-4142</issn>
<publisher>
<publisher-name><![CDATA[Asociación Costarricense de Cardiología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1409-41422024000200028</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Presentación de un caso de estenosis aórtica subvalvular]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lobo Castro]]></surname>
<given-names><![CDATA[James Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Rafael Ángel Calderón Guardia  ]]></institution>
<addr-line><![CDATA[ San José]]></addr-line>
<country>Costa Rica</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2024</year>
</pub-date>
<volume>26</volume>
<numero>2</numero>
<fpage>28</fpage>
<lpage>32</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S1409-41422024000200028&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S1409-41422024000200028&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S1409-41422024000200028&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Se presenta el caso de una paciente de 34 años con diagnóstico de estenosis aórtica por aorta bivalva desde la infancia. Consulta al servicio de emergencias por dolor torácico, disnea y lipotimia. Se ingresa al servicio de cardiología; en un nuevo ecocardiograma se confirman velocidades medidas por Doppler compatibles con estenosis severa, pero se describe lesión no valorada anteriormente, una membrana subaórtica, lo que confirma un nuevo diagnóstico de estenosis subvalvular, una entidad poco frecuente y con un manejo quirúrgico distinto al de la estenosis valvular.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT We present the case of a 34-year-old female patient diagnosed with aortic stenosis due to bivalve aorta since childhood. She consulted the emergency department for chest pain, dyspnea and near-syncope. She was admitted to the cardiology department; a new echocardiogram confirmed Doppler velocities compatible with severe stenosis, but described a lesion not previously assessed, a subaortic membrane, confirming a new diagnosis of subvalvular stenosis, a rare entity with a surgical management different from that of valvular stenosis.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Cardiopatía congénita]]></kwd>
<kwd lng="es"><![CDATA[Estenosis subaórtica]]></kwd>
<kwd lng="es"><![CDATA[Ecocardiograma Doppler]]></kwd>
<kwd lng="es"><![CDATA[Ecocardiograma 3D.]]></kwd>
<kwd lng="en"><![CDATA[Congenital heart disease]]></kwd>
<kwd lng="en"><![CDATA[Subaortic stenosis]]></kwd>
<kwd lng="en"><![CDATA[Doppler echocardiography]]></kwd>
<kwd lng="en"><![CDATA[3D echocardiogram.]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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