<?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>0188-2198</journal-id>
<journal-title><![CDATA[Revista mexicana de cardiología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Mex. Cardiol]]></abbrev-journal-title>
<issn>0188-2198</issn>
<publisher>
<publisher-name><![CDATA[Asociación Nacional de Cardiólogos de México, Sociedad de Cardiología Intervencionista de México]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0188-21982017000100029</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Hypersensitivity of carotid sinus. A forgotten cause of syncope and falls in the elderly]]></article-title>
<article-title xml:lang="es"><![CDATA[Hipersensibilidad del seno carotídeo. Una causa olvidada de síncope y caídas en el adulto mayor]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Asensio Lafuente]]></surname>
<given-names><![CDATA[Enrique]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Barinagarrementería Aldatz]]></surname>
<given-names><![CDATA[Fernando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Álvarez de la Cadena Sillas]]></surname>
<given-names><![CDATA[Jorge Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lara Vaca]]></surname>
<given-names><![CDATA[Susano]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital H+  ]]></institution>
<addr-line><![CDATA[Querétaro Querétaro]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto de Corazón de Querétaro  ]]></institution>
<addr-line><![CDATA[Querétaro ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Hospital de Alta Especialidad T1 León ]]></institution>
<addr-line><![CDATA[ Guanajuato]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2017</year>
</pub-date>
<volume>28</volume>
<numero>1</numero>
<fpage>29</fpage>
<lpage>34</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0188-21982017000100029&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0188-21982017000100029&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0188-21982017000100029&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: Carotid sinus syndrome is a cause of syncope and falls in the elderly that is frequently overlooked because of different reasons, nevertheless it might be present in up to 40% of subjects older than 80 years. Its physiopathology is not clear even if it has many common points with neutrally mediated syncope. Its main feature is that the trigger for the symptoms is the stimulation of the neck&#8217;s baro-receptors. The diagnosis is usually clinical and the carotid sinus massage confirms it by reproducing the symptoms when it induces longer than three second asystole or blood pressure drops higher than 50 mmHg. Its treatment has many controversial points and the options are limited when it comes to the vasodepressor variety. In the cardio-inhibitory variety, the most accepted treatment is a pacemaker implant, nonetheless, the recurrence rates still high.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: El síndrome del seno carotídeo es una causa de síncope y caídas en el adulto mayor que suele pasarse por alto por diferentes razones; sin embargo, está presente hasta en un 40% de los mayores de 80 años de edad. La fisiopatología no está del todo clara pero tiene muchos puntos en común con el síncope neuralmente mediado, con la peculiaridad de que el disparador depende de la estimulación de los barorreceptores del cuello. El diagnóstico es clínico y las maniobras de masaje del seno carotídeo lo confirman al reproducir los síntomas cuando se inducen asistolias superiores a tres segundos y caídas de presión arterial mayores a 50 mmHg con el masaje. El tratamiento presenta muchos puntos de controversia y hay opciones limitadas cuando se trata de la variedad vasodepresora. En el caso de la cardioinhibición, la opción más adecuada es el implante de un marcapasos, pero aún así las tasas de recurrencia siguen siendo elevadas.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Syncope]]></kwd>
<kwd lng="en"><![CDATA[carotid sinus syndrome]]></kwd>
<kwd lng="en"><![CDATA[falls]]></kwd>
<kwd lng="en"><![CDATA[elderly]]></kwd>
<kwd lng="en"><![CDATA[pacemakers]]></kwd>
<kwd lng="es"><![CDATA[Síncope]]></kwd>
<kwd lng="es"><![CDATA[síndrome del seno carotídeo]]></kwd>
<kwd lng="es"><![CDATA[caídas]]></kwd>
<kwd lng="es"><![CDATA[adulto mayor]]></kwd>
<kwd lng="es"><![CDATA[marcapasos]]></kwd>
</kwd-group>
</article-meta>
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