<?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>1726-8958</journal-id>
<journal-title><![CDATA[Revista Médica La Paz]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Méd. La Paz]]></abbrev-journal-title>
<issn>1726-8958</issn>
<publisher>
<publisher-name><![CDATA[Colegio Médico de La Paz]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1726-89582026000100053</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[REVERSIÓN NO INVASIVA DEL ALETEO AURICULAR POR MEDIO DE UN MARCAPASO BICAMERAL IMPLANTADO]]></article-title>
<article-title xml:lang="en"><![CDATA[NONINVASIVE REVERSAL OF ATRIAL FLUTTER USING AN IMPLANTED DUAL CHAMBER PACEMAKER]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lavadenz Morales]]></surname>
<given-names><![CDATA[Roberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Caja Nacional de Salud Hospital Obrero No.1 ]]></institution>
<addr-line><![CDATA[La Paz ]]></addr-line>
<country>Bolivia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2026</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2026</year>
</pub-date>
<volume>32</volume>
<numero>1</numero>
<fpage>53</fpage>
<lpage>56</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.bo/scielo.php?script=sci_arttext&amp;pid=S1726-89582026000100053&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.bo/scielo.php?script=sci_abstract&amp;pid=S1726-89582026000100053&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.bo/scielo.php?script=sci_pdf&amp;pid=S1726-89582026000100053&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Se presentan 3 pacientes con marcapaso bicameral, dos por enfermedad del nodo sinusal y una por bloqueo A.V completo, que en su evolución se desencadenó un aleteo auricular, el mismo que fue revertido, haciendo uso del programa Estimulación programada no invasiva, consistente en aplicar sobreestimulación auricular por el marcapaso en ciclos de frecuencia menores a las del ciclo de la arritmia. En los 3 casos se produjo reversión del aleteo auricular, sin complicaciones. Previamente la ecocardiografía transesofágica, descartó presencia de trombos Intracavitarios, lo cual posibilitó efectuar la reversión. Se concluye que la conversión del aleteo auricular por sobreestimulación auricular, por el marcapaso bicameral es un método fácil, inocuo, rápido y no necesita anestesia.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT We present three patients with dual-chamber pacemakers, two due to sick sinus syndrome and one due to complete AVblock. During their evolution, atrial flutter developed, which was reversed using the noninvasive programmed pacing program, which consists of applying atrial overdrive pacing by the pacemaker in frequency cycles lower than those of the arrhythmia cycle. In all three cases, atrial flutter was reversed without complications. Previously transesophageal echocardiography ruled out, the presence of intracavitary thrombi. It is concluded that the conversion of atrial flutter to atrial overdrive pacing by dual-chamber pacing is an easy, safe, and rapid method that does not require anesthesia.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Aleteo auricular]]></kwd>
<kwd lng="es"><![CDATA[Marcapaso bicameral]]></kwd>
<kwd lng="es"><![CDATA[Sobreestimulación auricular]]></kwd>
<kwd lng="en"><![CDATA[Atrial flutter]]></kwd>
<kwd lng="en"><![CDATA[Dual chamber pacemaker]]></kwd>
<kwd lng="en"><![CDATA[Atrial overstimulation]]></kwd>
</kwd-group>
</article-meta>
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