<?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>1405-9940</journal-id>
<journal-title><![CDATA[Archivos de cardiología de México]]></journal-title>
<abbrev-journal-title><![CDATA[Arch. Cardiol. Méx.]]></abbrev-journal-title>
<issn>1405-9940</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Cardiología Ignacio Chávez]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1405-99402022000300405</article-id>
<article-id pub-id-type="doi">10.24875/acm.20000457</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Una anomalía coronaria poco común como posible causa de taquicardia ventricular]]></article-title>
<article-title xml:lang="en"><![CDATA[A rare coronary anomaly as a possible cause of ventricular tachycardia]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cuevas-Pérez]]></surname>
<given-names><![CDATA[Javier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fernández]]></surname>
<given-names><![CDATA[Rodrigo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Persia-Paulino]]></surname>
<given-names><![CDATA[Yván R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gutiérrez]]></surname>
<given-names><![CDATA[Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Universitario Central de Asturias Servicio de Cardiología ]]></institution>
<addr-line><![CDATA[Oviedo ]]></addr-line>
<country>España</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital San Agustín Servicio de Cardiología ]]></institution>
<addr-line><![CDATA[Asturias ]]></addr-line>
<country>España</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2022</year>
</pub-date>
<volume>92</volume>
<numero>3</numero>
<fpage>405</fpage>
<lpage>408</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-99402022000300405&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-99402022000300405&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-99402022000300405&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Se presenta el caso de un varón de 77 años que acude a urgencias tras un episodio sincopal en el contexto de una taquicardia ventricular monomorfa sostenida, por lo que se realizó cardioversión eléctrica. Para filiar la etiología del evento arrítmico ventricular se realizó un estudio de la anatomía coronaria mediante coronariografía invasiva, en el que se objetivaron las arterias coronarias sin lesiones significativas, pero como hallazgo casual se describió una anomalía coronaria, con ausencia de tronco coronario y salida independiente de las arterias circunfleja (Cx) y descendente anterior (DA) del seno coronario derecho, originándose la DA y la coronaria derecha del mismo ostium coronario. Dichos hallazgos se confirmaron mediante tomografía computarizada con reconstrucción tridimensional. Además, se objetivó un trayecto interarterial de la DA (entre las arterias aorta y pulmonar) y un trayecto intramuscular de la DA, así como un trayecto retroaórtico de la Cx. Debido a estos hallazgos, se procedió al implante de un desfibrilador automático implantable como prevención secundaria. El paciente tuvo una buena evolución posterior y fue dado de alta a su domicilio sin incidencias. Se presenta el caso para ayudar a comprender mejor estos trastornos, dado que actualmente constituyen un reto diagnóstico, ya que en muchas ocasiones se trata de un hallazgo casual en pruebas complementarias o incluso en autopsias. Además, es una causa relativamente frecuente de parada cardiorrespiratoria en pacientes jóvenes. De las muchas variables anatómicas que constituyen las anomalías coronarias, existe poca literatura sobre esta anomalía presentada y no hay imágenes similares a las de este caso.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract We present the case of a 77-year-old man who came to the emergency room after a syncopal episode in the context of sustained monomorphic ventricular tachycardia for which electrical cardioversion was performed. In order to determine the etiology of the ventricular arrhythmic event, a study of the coronary anatomy was carried out using invasive coronary angiography, observing coronary arteries without significant lesions, although, as a chance finding, a coronary anomaly was described, with absence of the main coronary artery, with independent exit of circumflex (Cx) and anterior descending (AD) arteries of the right coronary sinus, originating the AD and right coronary artery from the same coronary ostium. These findings were later confirmed by computed tomography with 3D reconstruction. In addition, an interarterial path of AD (between aorta and pulmonary artery) and an intramuscular path of AD were observed, as well as a retro-aortic path of Cx. Given these findings, an implantable cardioverter defibrillator was implanted as secondary prevention. Good subsequent evolution with home discharge without incident. We present this case to help better understand these disorders, since they currently constitute a diagnostic challenge, since in many cases it is a chance finding in complementary tests or even in autopsies. It is also a relatively frequent cause of cardiorespiratory arrest in young patients. Of the many anatomical variables that make up the group of coronary anomalies, there is little bibliographic information on this anomaly presented, without finding images similar to those reported in this case.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Anomalía coronaria]]></kwd>
<kwd lng="es"><![CDATA[Taquicardia ventricular]]></kwd>
<kwd lng="es"><![CDATA[Tomografía computarizada de arterias coronarias]]></kwd>
<kwd lng="en"><![CDATA[Coronary anomaly]]></kwd>
<kwd lng="en"><![CDATA[Ventricular tachycardia]]></kwd>
<kwd lng="en"><![CDATA[Coronary artery computed tomography]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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