<?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>0120-5633</journal-id>
<journal-title><![CDATA[Revista Colombiana de Cardiología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Colomb. Cardiol.]]></abbrev-journal-title>
<issn>0120-5633</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Colombiana de Cardiologia. Oficina de Publicaciones]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-56332020000100036</article-id>
<article-id pub-id-type="doi">10.1016/j.rccar.2019.05.006</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[La repolarización auricular y sus implicaciones clínicas]]></article-title>
<article-title xml:lang="en"><![CDATA[Atrial repolarisation and its clinical implications]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Duque]]></surname>
<given-names><![CDATA[Mauricio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aristizábal-Colorado]]></surname>
<given-names><![CDATA[David]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Weir]]></surname>
<given-names><![CDATA[Danilo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gaviria]]></surname>
<given-names><![CDATA[María C.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Uribe]]></surname>
<given-names><![CDATA[William]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad CES CES Cardiología ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Fundación Universitaria San Martín  ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2020</year>
</pub-date>
<volume>27</volume>
<numero>1</numero>
<fpage>36</fpage>
<lpage>40</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-56332020000100036&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-56332020000100036&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-56332020000100036&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La onda P en el electrocardiograma representa exclusivamente la despolarización de las aurículas puesto que la repolarización auricular queda oculta en el QRS. Sin embargo, cuando la repolarizacón auricular se hace evidente en el electrocardiograma se convierte en un elemento clave para el diagnóstico de algunas enfermedades. Diferente sucede en la repolarización ventricular; la repolarización auricular adopta el mismo sentido de la despolarización ya que sigue un sentido cráneo-caudal y se da desde el epicardio hacia el endocardio.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The P wave on the electrocardiogram exclusively represents atrial depolarisation, since atrial repolarisation is hidden in the QRS complex. However, when atrial repolarisation becomes evident in the electrocardiogram, it is a key element for the diagnosis of some diseases. Unlike what happens in ventricular repolarisation, atrial repolarisation adopts the same direction as depolarisation since it follows a craniocaudal course and it goes from the epicardium towards the endocardium.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Aurícula]]></kwd>
<kwd lng="es"><![CDATA[Electrocardiograma]]></kwd>
<kwd lng="en"><![CDATA[Atrium]]></kwd>
<kwd lng="en"><![CDATA[Electrocardiogram]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Goldberger]]></surname>
<given-names><![CDATA[AL]]></given-names>
</name>
<name>
<surname><![CDATA[Goldberger]]></surname>
<given-names><![CDATA[ZD]]></given-names>
</name>
<name>
<surname><![CDATA[Alexei]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<source><![CDATA[Goldberger's Clinical Electrocardiography:A Simplified Aproach. 8 th. ed]]></source>
<year>2013</year>
<publisher-loc><![CDATA[Philadelphia ]]></publisher-loc>
<publisher-name><![CDATA[Elsevier]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Uribe]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
</person-group>
<source><![CDATA[Electrocardiografía clínica.De lo básico a lo complejo. 1]]></source>
<year>2014</year>
<publisher-loc><![CDATA[ed Bogotá ]]></publisher-loc>
<publisher-name><![CDATA[Distribuna LTDA]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bayés de Luna]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<source><![CDATA[Clinical electrocardiography.]]></source>
<year>2010</year>
<edition>4 th. ed</edition>
<publisher-loc><![CDATA[Oxford ]]></publisher-loc>
<publisher-name><![CDATA[Wiley-Blackwell]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Childers]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Atrial repolarization its impact on electrocardio-graphy]]></article-title>
<source><![CDATA[J Electrocardiol]]></source>
<year>2011</year>
<volume>44</volume>
<page-range>635-40</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Debbas]]></surname>
<given-names><![CDATA[NMG]]></given-names>
</name>
<name>
<surname><![CDATA[Jackson]]></surname>
<given-names><![CDATA[SHD]]></given-names>
</name>
<name>
<surname><![CDATA[de Jonghe]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Robert]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Camm]]></surname>
<given-names><![CDATA[AJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Human atrial repolarization effects of sinus rate, pacing and drugs on the surface electrocardiogram]]></article-title>
<source><![CDATA[J Am Coll Cardiol]]></source>
<year>1999</year>
<volume>33</volume>
<page-range>358-65</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ihara]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
<name>
<surname><![CDATA[van Oosterom]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Hoekema]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Atrial repolariza-tion as observable during the PQ interval]]></article-title>
<source><![CDATA[J Electrocardiol]]></source>
<year>2006</year>
<volume>39</volume>
<page-range>290-7</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Firek]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Giles]]></surname>
<given-names><![CDATA[WR]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Outward currents underlying repolari-zation in human atrial myocytes]]></article-title>
<source><![CDATA[Cardiovascular Research]]></source>
<year>1995</year>
<volume>30</volume>
<page-range>31-8</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Abramson]]></surname>
<given-names><![CDATA[DI]]></given-names>
</name>
<name>
<surname><![CDATA[Fenichel]]></surname>
<given-names><![CDATA[NM]]></given-names>
</name>
<name>
<surname><![CDATA[Shookhoff]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A study of electrical activity in the auricles]]></article-title>
<source><![CDATA[Am Heart J]]></source>
<year>1938</year>
<volume>15</volume>
<page-range>471-81</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sodi-Pallares]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Soberón]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Cabrera]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[De la Cruz]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Consideraciones en relación a la repolarización auricular]]></article-title>
<source><![CDATA[Archivos Brasileiros de Cardiologia]]></source>
<year>1948</year>
<volume>1</volume>
<page-range>113-27</page-range></nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Holmqvist]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Carlson]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Platonov]]></surname>
<given-names><![CDATA[PG]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Detailed ECG analysis of atrial repolarization in humans]]></article-title>
<source><![CDATA[Annals of Noninvasive Electro-cardiology]]></source>
<year>2009</year>
<volume>14</volume>
<page-range>13-8</page-range></nlm-citation>
</ref>
<ref id="B11">
<label>11</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hertervig]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
<name>
<surname><![CDATA[Kongstad]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Holm]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Olsson]]></surname>
<given-names><![CDATA[SB]]></given-names>
</name>
<name>
<surname><![CDATA[Yuan]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Global dispersion of right atrial repolarization in healthy pigs and patients]]></article-title>
<source><![CDATA[Scandinavian Cardiovascular Journal]]></source>
<year>2003</year>
<volume>37</volume>
<page-range>329-33</page-range></nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hayashi]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Okajima]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Yamada]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Atrial T(Ta) wave and atrial gradient in patients with A-V block]]></article-title>
<source><![CDATA[Am Heart J]]></source>
<year>1976</year>
<volume>91</volume>
<page-range>689-98</page-range></nlm-citation>
</ref>
<ref id="B13">
<label>13</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tranchesi]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Adelardi]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[De Oliveira]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Atrial Repolarization-Its Importance in Clinical Electrocardiography]]></article-title>
<source><![CDATA[Circulation]]></source>
<year>1960</year>
<volume>22</volume>
<page-range>635</page-range></nlm-citation>
</ref>
<ref id="B14">
<label>14</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Blankstein]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Childers]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Atrial repolarization causing psuedoprolongation of the QT Interval]]></article-title>
<source><![CDATA[Annals of Noninvasive Electrocardiology]]></source>
<year>2008</year>
<volume>13</volume>
<page-range>317-8</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>15</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Langley]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Caldwell]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The atrial T wave: The elusive electrocardiographic wave exposed by a case of shifting atrial pacemaker]]></article-title>
<source><![CDATA[J Electrocardiol]]></source>
<year></year>
<volume>49</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>557-9</page-range></nlm-citation>
</ref>
<ref id="B16">
<label>16</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Verrier]]></surname>
<given-names><![CDATA[RL]]></given-names>
</name>
<name>
<surname><![CDATA[Fuller]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Justo]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Nearing]]></surname>
<given-names><![CDATA[BD]]></given-names>
</name>
<name>
<surname><![CDATA[Rajamani]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Belardinelli]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Unmasking atrial repolarization to assess alternans, spatiotemporal heterogeneity, and suscep-tibility to atrial brillation]]></article-title>
<source><![CDATA[Heart Rhythm]]></source>
<year>2016</year>
<volume>13</volume>
<page-range>953-61</page-range></nlm-citation>
</ref>
<ref id="B17">
<label>17</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ridler M-E]]></surname>
</name>
<name>
<surname><![CDATA[Lee]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[McQueen]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Peskin]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Vigmond]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Arrhyth-mogenic consequences of action potential duration gradients in the atria]]></article-title>
<source><![CDATA[Canadian Journal of Cardiology]]></source>
<year>2011</year>
<volume>27</volume>
<page-range>112-9</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
