<?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>2078-7170</journal-id>
<journal-title><![CDATA[CorSalud]]></journal-title>
<abbrev-journal-title><![CDATA[CorSalud]]></abbrev-journal-title>
<issn>2078-7170</issn>
<publisher>
<publisher-name><![CDATA[Cardiocentro Ernesto Che Guevara]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2078-71702019000200129</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Alteraciones electrocardiográficas en pacientes adultos mayores hospitalizados]]></article-title>
<article-title xml:lang="en"><![CDATA[Electrocardiographic abnormalities in hospitalized elderly patients]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rojas Fariñas]]></surname>
<given-names><![CDATA[Liset de la C.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carmona Puerta]]></surname>
<given-names><![CDATA[Raimundo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López Machado]]></surname>
<given-names><![CDATA[Rafael]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Universitario Celestino Hernández Robau Servicio de Medicina Interna ]]></institution>
<addr-line><![CDATA[Villa Clara ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Cardiocentro Ernesto Che Guevara Servicio de Electrofisiología Cardíaca Clínica y Arritmología ]]></institution>
<addr-line><![CDATA[Villa Clara ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<volume>11</volume>
<numero>2</numero>
<fpage>129</fpage>
<lpage>138</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2078-71702019000200129&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2078-71702019000200129&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2078-71702019000200129&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  Como parte del envejecimiento ocurre un incremento de la morbilidad cardiovascular que puede reflejarse en el electrocardiograma, pero no todas las subpoblaciones de adultos mayores han sido estudiadas sistemáticamente.  Objetivos:  Determinar las principales alteraciones electrocardiográficas que acontecen en pacientes adultos mayores con morbilidades cardiovasculares.  Método:  Estudio descriptivo, transversal en 148 pacientes &#8805; 60 años, con morbilidades cardiovasculares, ingresados en el servicio de Medicina Interna del Hospital Celestino Hernández Robau de Villa Clara. Se determinaron variables electrocardiográficas sugerentes de afectación cardíaca.  Resultados:  La edad promedio fue 77,4 ± 8,2 años. La fibrilación auricular fue observada en 16,9% de los casos. Existieron alteraciones de la repolarización ventricular en 39,3% de los casos, así como bloqueo de rama izquierda o derecha en 14,4% y 5,4%, respectivamente. Un 24,7% de los pacientes presentaron anormalidad auricular izquierda y 17,8%, prolongación del QT. El mayor número de casos con hipertrofia ventricular izquierda eléctrica se detectó con el criterio R aVL (9 pacientes [10,2%]).  Conclusiones:  El trastorno del ritmo más frecuente fue la fibrilación auricular. Las alteraciones de la repolarización ventricular prevalecieron sobre las de la despolarización, sin asociación con el sexo o color de piel. El número de casos con anormalidad auricular izquierda, hipertrofia ventricular izquierda y QT largo fue considerable.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  Aging causes an increase in cardiovascular morbidity that can be reflected in the electrocardiogram, but not all older adults' subpopulations have been systematically studied.  Objectives:  To determine the main electrocardiographic alterations that occur in elderly patients with cardiovascular morbidities.  Method:  Cross-sectional descriptive study in 148 patients &#8805; 60 years, with cardiovascular morbidities, admitted to the Internal Medicine service of the "Hospital Celestino Hernández Robau" in Villa Clara. Electrocardiographic variables suggestive of cardiac involvement were identified.  Results:  The average age was 77.4 ± 8.2 years. Atrial fibrillation was seen in 16.9% of cases. There were alterations of ventricular repolarization in 39.3% of cases, as well as left/right bundle branch block in 14.4% and 5.4% respectively. A 24.7% of patients presented left atrial abnormality and 17.8% QT prolongation. The highest number of cases with electric left ventricular hypertrophy was detected with the R aVL criteria (9 patients [10.2%]).  Conclusions:  The most frequent rhythm disorder was atrial fibrillation. Alterations of ventricular repolarization prevailed over those of depolarization with no association with sex or skin color. There was a considerable number of cases with left atrial abnormality, left ventricular hypertrophy and long QT.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Adultos mayores]]></kwd>
<kwd lng="es"><![CDATA[Electrocardiografía]]></kwd>
<kwd lng="es"><![CDATA[Morbilidad]]></kwd>
<kwd lng="es"><![CDATA[Enfermedades cardiovasculares]]></kwd>
<kwd lng="en"><![CDATA[Older adults]]></kwd>
<kwd lng="en"><![CDATA[Electrocardiography]]></kwd>
<kwd lng="en"><![CDATA[Morbidity]]></kwd>
<kwd lng="en"><![CDATA[Cardiovascular diseases]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Castellano]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
<name>
<surname><![CDATA[Narula]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Castillo]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Fauster]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Promoción de la salud cardiovascular global estrategias, retos y oportunidades]]></article-title>
<source><![CDATA[Rev Esp Cardiol]]></source>
<year>2014</year>
<volume>67</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>724-30</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Keach]]></surname>
<given-names><![CDATA[JW]]></given-names>
</name>
<name>
<surname><![CDATA[Bradley]]></surname>
<given-names><![CDATA[SM]]></given-names>
</name>
<name>
<surname><![CDATA[Turakhia]]></surname>
<given-names><![CDATA[MT]]></given-names>
</name>
<name>
<surname><![CDATA[Maddox]]></surname>
<given-names><![CDATA[TM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Early detection of occult atrial fibrillation and stroke prevention]]></article-title>
<source><![CDATA[Heart]]></source>
<year>2015</year>
<volume>101</volume>
<numero>14</numero>
<issue>14</issue>
<page-range>1097-102</page-range></nlm-citation>
</ref>
<ref id="B3">
<label>3</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[Shvilkin]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<source><![CDATA[Goldberger's clinical electrocardiography. A simplified approach]]></source>
<year>2013</year>
<edition>8th</edition>
<publisher-loc><![CDATA[Philadelphia ]]></publisher-loc>
<publisher-name><![CDATA[Elsevier Saunders]]></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[Arunachalam]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Lakshmanam]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Maan]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Kumar]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Dominic]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Impact of drug induced long QT syndrome A systematic review]]></article-title>
<source><![CDATA[J Clin Med Res]]></source>
<year>2018</year>
<volume>10</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>384-90</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="book">
<collab>Ministerio de Salud Pública</collab>
<source><![CDATA[Anuario Estadístico de Salud 2017]]></source>
<year>2018</year>
<publisher-loc><![CDATA[La Habana ]]></publisher-loc>
<publisher-name><![CDATA[Dirección Nacional de Registros Médicos y Estadísticas de Salud]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="book">
<collab>Ministerio de Salud Pública</collab>
<source><![CDATA[Anuario Estadístico de Salud 2016]]></source>
<year>2017</year>
<publisher-loc><![CDATA[La Habana ]]></publisher-loc>
<publisher-name><![CDATA[Dirección Nacional de Registros Médicos y Estadísticas de Salud]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Singer]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Conde-Martel]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Hemmersbach-Miller]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Ruiz-Hernández]]></surname>
<given-names><![CDATA[JJ]]></given-names>
</name>
<name>
<surname><![CDATA[Arencibia Borrego]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Alonso Ortiz]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Mortalidad hospitalaria de pacientes nonagenarios en medicina interna]]></article-title>
<source><![CDATA[Rev Clin Esp]]></source>
<year>2018</year>
<volume>218</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>61-5</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[Merengoni]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Winblad]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Karp]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Fratiglioni]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Prevalence of chronic diseases and multimorbidity among the elderly population in Sweden]]></article-title>
<source><![CDATA[Am J Public Health]]></source>
<year>2008</year>
<volume>98</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>1198-200</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[Devkota]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Bakhit]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Dufresne]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Naing]]></surname>
<given-names><![CDATA[OA]]></given-names>
</name>
<name>
<surname><![CDATA[Parajuli]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Manhas]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Arrhythmias and electrocardiographic changes in systolic heart failure]]></article-title>
<source><![CDATA[N Am J Med Sci]]></source>
<year>2016</year>
<volume>8</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>171-4</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[Benjamin]]></surname>
<given-names><![CDATA[EJ]]></given-names>
</name>
<name>
<surname><![CDATA[Blaha]]></surname>
<given-names><![CDATA[MJ]]></given-names>
</name>
<name>
<surname><![CDATA[Chiuve]]></surname>
<given-names><![CDATA[SE]]></given-names>
</name>
<name>
<surname><![CDATA[Cushman]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Das]]></surname>
<given-names><![CDATA[RS]]></given-names>
</name>
<name>
<surname><![CDATA[Deo]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Heart disease and stroke statistics - 2017 update A report from the American Heart Association]]></article-title>
<source><![CDATA[Circulation]]></source>
<year>2017</year>
<volume>135</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>e146-603</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[Kirchhof]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Benussi]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Kotecha]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Ahlsson]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Atar]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Casadei]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[2016 ESC Guidelines for the management of atrial fibrillation developed in collaboration with EACTS]]></article-title>
<source><![CDATA[Eur J Cardiothorac Surg]]></source>
<year>2016</year>
<volume>50</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>e1-e88</page-range></nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kumar]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Sanders]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Kalman]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Typical and atypical atrial flutter:mapping and ablation]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Zipes]]></surname>
<given-names><![CDATA[DP]]></given-names>
</name>
</person-group>
<source><![CDATA[Cardiac electrophysiology. From cell to bedside]]></source>
<year>2014</year>
<edition>6</edition>
<page-range>p. 723-37</page-range><publisher-loc><![CDATA[Philadelphia ]]></publisher-loc>
<publisher-name><![CDATA[Elsevier Saunders]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B13">
<label>13</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vogler]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Breithardt]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Eckardt]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Bradiarritmias y bloqueos de la conducción]]></article-title>
<source><![CDATA[Rev Esp Cardiol]]></source>
<year>2012</year>
<volume>65</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>656-67</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[De Ponti]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Marazzato]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Bagliani]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Leonelli]]></surname>
<given-names><![CDATA[FM]]></given-names>
</name>
<name>
<surname><![CDATA[Padeletti]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Sick Sinus Syndrome]]></article-title>
<source><![CDATA[Card Electrophysiol Clin]]></source>
<year>2018</year>
<volume>10</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>183-95</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>15</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Blanck]]></surname>
<given-names><![CDATA[AC]]></given-names>
</name>
<name>
<surname><![CDATA[Loh]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Vos]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Atrioventricular block]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Zipes]]></surname>
<given-names><![CDATA[DP]]></given-names>
</name>
</person-group>
<source><![CDATA[Cardiac electrophysiology. From cell to bed side]]></source>
<year>2014</year>
<edition>6ª</edition>
<page-range>p. 1043-9</page-range><publisher-loc><![CDATA[Philadelphia ]]></publisher-loc>
<publisher-name><![CDATA[Elsevier Saunders]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B16">
<label>16</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Surawicz]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Childers]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Deal]]></surname>
<given-names><![CDATA[BJ]]></given-names>
</name>
<name>
<surname><![CDATA[Gettes]]></surname>
<given-names><![CDATA[LS]]></given-names>
</name>
<name>
<surname><![CDATA[Bailey]]></surname>
<given-names><![CDATA[JJ]]></given-names>
</name>
<name>
<surname><![CDATA[Gorgels]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[AHA/ACCF/HRS Recommendations for the standardization and interpretation of the electrocardiogram Part III: Intraventricular conductions disturbances: a scientific statement from the American Heart Association Electrocardiography and Arrhythmias Committee, Council on Clinical Cardiology; the American College of Cardiology Foundation; and the Heart Rhythm Society. Endorsed by the International Society for Computerized Electrocardiology]]></article-title>
<source><![CDATA[J Am Coll Cardiol]]></source>
<year>2009</year>
<volume>53</volume>
<numero>11</numero>
<issue>11</issue>
<page-range>976-81</page-range></nlm-citation>
</ref>
<ref id="B17">
<label>17</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Surawicz]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Knilans]]></surname>
<given-names><![CDATA[TK]]></given-names>
</name>
</person-group>
<source><![CDATA[Chou´s electrocardiography in clinical practice]]></source>
<year>2008</year>
<edition>6</edition>
<publisher-loc><![CDATA[Philadelphia ]]></publisher-loc>
<publisher-name><![CDATA[Elsevier Saunders]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B18">
<label>18</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Uribe]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[Venegas]]></surname>
<given-names><![CDATA[DI]]></given-names>
</name>
<name>
<surname><![CDATA[Negrete]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Orjuela]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Álvarez]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Arenas]]></surname>
<given-names><![CDATA[AE]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Guías colombianas de electrofisiología cardiovascular. Recomendaciones clínicas y niveles de evidencia. Actualización 2011]]></article-title>
<source><![CDATA[Rev Colomb Cardiol]]></source>
<year>2011</year>
<volume>18</volume>
<numero>^sSupl. 3</numero>
<issue>^sSupl. 3</issue>
<supplement>Supl. 3</supplement>
<page-range>201-95</page-range></nlm-citation>
</ref>
<ref id="B19">
<label>19</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wesley]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
</person-group>
<source><![CDATA[Huszar Arritmias: Interpretación y tratamiento]]></source>
<year>2012</year>
<edition>4</edition>
<publisher-loc><![CDATA[Madrid ]]></publisher-loc>
<publisher-name><![CDATA[Elsevier]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B20">
<label>20</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Monin]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Bisconte]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Nicaise]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Hornez]]></surname>
<given-names><![CDATA[AP]]></given-names>
</name>
<name>
<surname><![CDATA[Manen]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Perrier]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Prevalence of intraventricular conduction disturbances in a large French population]]></article-title>
<source><![CDATA[Ann Noninvasive Electrocardiol]]></source>
<year>2016</year>
<volume>21</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>479-85</page-range></nlm-citation>
</ref>
<ref id="B21">
<label>21</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kawabata-Yoshihara]]></surname>
<given-names><![CDATA[LA]]></given-names>
</name>
<name>
<surname><![CDATA[Benseñor]]></surname>
<given-names><![CDATA[IM]]></given-names>
</name>
<name>
<surname><![CDATA[Kawabata]]></surname>
<given-names><![CDATA[VS]]></given-names>
</name>
<name>
<surname><![CDATA[Menezes]]></surname>
<given-names><![CDATA[PR]]></given-names>
</name>
<name>
<surname><![CDATA[Scazufca]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Lotufo]]></surname>
<given-names><![CDATA[PA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Prevalence of electrocardiographic findings in elderly individuals: the Sao Paulo aging &amp; health study]]></article-title>
<source><![CDATA[Arq Bras Cardiol]]></source>
<year>2009</year>
<volume>93</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>602-651-6</page-range></nlm-citation>
</ref>
<ref id="B22">
<label>22</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Xiong]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[Hankey]]></surname>
<given-names><![CDATA[GJ]]></given-names>
</name>
<name>
<surname><![CDATA[Xu]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The prognostic significance of right bundle branch block A meta-analysis of prospective cohort studies]]></article-title>
<source><![CDATA[Clin Cardiol]]></source>
<year>2015</year>
<volume>38</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>604-13</page-range></nlm-citation>
</ref>
<ref id="B23">
<label>23</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[O&amp;apos;Neal]]></surname>
<given-names><![CDATA[WT]]></given-names>
</name>
<name>
<surname><![CDATA[Qureshi]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Soliman]]></surname>
<given-names><![CDATA[EZ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[RSR&amp;apos; pattern and the risk of mortality in men and women free of cardiovascular disease]]></article-title>
<source><![CDATA[J Electrocardiol]]></source>
<year>2015</year>
<volume>48</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>430-3</page-range></nlm-citation>
</ref>
<ref id="B24">
<label>24</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Prineas]]></surname>
<given-names><![CDATA[RJ]]></given-names>
</name>
<name>
<surname><![CDATA[Le]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Soliman]]></surname>
<given-names><![CDATA[EZ]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[ZM]]></given-names>
</name>
<name>
<surname><![CDATA[Howard]]></surname>
<given-names><![CDATA[VJ]]></given-names>
</name>
<name>
<surname><![CDATA[Ostchega]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[United States national prevalence of electrocardiographic abnormalities in black and white middle-age (45- to 64-Year) and older (=65 year) adults (from the Reasons for Geographic and Racial Differences in Stroke Study)]]></article-title>
<source><![CDATA[Am J Cardiol]]></source>
<year>2012</year>
<volume>109</volume>
<numero>8</numero>
<issue>8</issue>
<page-range>1223-8</page-range></nlm-citation>
</ref>
<ref id="B25">
<label>25</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Molaschi]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Ponzetto]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Romin]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Berrino]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Fabris]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Changes in the electrocardiogram in the elderly patient The limits between normality and pathology]]></article-title>
<source><![CDATA[Recenti Prog Med]]></source>
<year>1995</year>
<volume>86</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>32-6</page-range></nlm-citation>
</ref>
<ref id="B26">
<label>26</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Furberg]]></surname>
<given-names><![CDATA[CD]]></given-names>
</name>
<name>
<surname><![CDATA[Manolio]]></surname>
<given-names><![CDATA[TA]]></given-names>
</name>
<name>
<surname><![CDATA[Psaty]]></surname>
<given-names><![CDATA[BM]]></given-names>
</name>
<name>
<surname><![CDATA[Bild]]></surname>
<given-names><![CDATA[DE]]></given-names>
</name>
<name>
<surname><![CDATA[Borhani]]></surname>
<given-names><![CDATA[NO]]></given-names>
</name>
<name>
<surname><![CDATA[Newman]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Major electrocardiographic abnormalities in persons aged 65 years and older (The Cardiovascular Health Study) Cardiovascular Health Study Collaborative Research Group]]></article-title>
<source><![CDATA[Am J Cardiol]]></source>
<year>1992</year>
<volume>69</volume>
<numero>16</numero>
<issue>16</issue>
<page-range>1329-35</page-range></nlm-citation>
</ref>
<ref id="B27">
<label>27</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Healy]]></surname>
<given-names><![CDATA[CF]]></given-names>
</name>
<name>
<surname><![CDATA[Lloyd-Jones]]></surname>
<given-names><![CDATA[DM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Association of traditional cardiovascular risk factors with development of major and minor electrocardiographic abnormalities A systematic review]]></article-title>
<source><![CDATA[Cardiol Rev]]></source>
<year>2016</year>
<volume>24</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>163-9</page-range></nlm-citation>
</ref>
<ref id="B28">
<label>28</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Badheka]]></surname>
<given-names><![CDATA[AO]]></given-names>
</name>
<name>
<surname><![CDATA[Rathod]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Marzouka]]></surname>
<given-names><![CDATA[GR]]></given-names>
</name>
<name>
<surname><![CDATA[Patel]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Bokhari]]></surname>
<given-names><![CDATA[SS]]></given-names>
</name>
<name>
<surname><![CDATA[Moscucci]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Isolated nonspecific ST-segment and T wave abnormalities in a cross-sectional United States population and mortality (from NHANES III)]]></article-title>
<source><![CDATA[Am J Cardiol]]></source>
<year>2012</year>
<volume>110</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>521-5</page-range></nlm-citation>
</ref>
<ref id="B29">
<label>29</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mirvis]]></surname>
<given-names><![CDATA[DM]]></given-names>
</name>
<name>
<surname><![CDATA[Goldberger]]></surname>
<given-names><![CDATA[AL]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Electrocardiografía]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Mann]]></surname>
<given-names><![CDATA[DL]]></given-names>
</name>
<name>
<surname><![CDATA[Zipes]]></surname>
<given-names><![CDATA[DP]]></given-names>
</name>
<name>
<surname><![CDATA[Libby]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Bonow]]></surname>
<given-names><![CDATA[RO]]></given-names>
</name>
</person-group>
<source><![CDATA[Braunwald. Tratado de Cardiología. Texto de Medicina Cardiovascular]]></source>
<year>2015</year>
<edition>10ma</edition>
<page-range>p. 114-54</page-range><publisher-loc><![CDATA[Barcelona ]]></publisher-loc>
<publisher-name><![CDATA[Elsevier]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B30">
<label>30</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rowell]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Nghiem]]></surname>
<given-names><![CDATA[HS]]></given-names>
</name>
<name>
<surname><![CDATA[Jorm]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Jackson]]></surname>
<given-names><![CDATA[TJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[How different are complications that affect the older adult inpatient]]></article-title>
<source><![CDATA[Qual Saf Health Care]]></source>
<year>2010</year>
<volume>19</volume>
<numero>6</numero>
<issue>6</issue>
</nlm-citation>
</ref>
<ref id="B31">
<label>31</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lehtonen]]></surname>
<given-names><![CDATA[AO]]></given-names>
</name>
<name>
<surname><![CDATA[Langén]]></surname>
<given-names><![CDATA[VL]]></given-names>
</name>
<name>
<surname><![CDATA[Puukka]]></surname>
<given-names><![CDATA[PJ]]></given-names>
</name>
<name>
<surname><![CDATA[Kähönen]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Nieminen]]></surname>
<given-names><![CDATA[MS]]></given-names>
</name>
<name>
<surname><![CDATA[Jula]]></surname>
<given-names><![CDATA[AM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Incidence rates, correlates, and prognosis of electrocardiographic P-wave abnormalities - a nationwide population-based study]]></article-title>
<source><![CDATA[J Electrocardiol]]></source>
<year>2017</year>
<volume>50</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>925-32</page-range></nlm-citation>
</ref>
<ref id="B32">
<label>32</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kilcoyne]]></surname>
<given-names><![CDATA[MM]]></given-names>
</name>
<name>
<surname><![CDATA[Davis]]></surname>
<given-names><![CDATA[AL]]></given-names>
</name>
<name>
<surname><![CDATA[Ferrer]]></surname>
<given-names><![CDATA[MI]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A dynamic electrocardiographic concept useful in the diagnosis of cor pulmonale Result of a survey of 200 patients with chronic obstructive pulmonary disease]]></article-title>
<source><![CDATA[Circulation]]></source>
<year>1970</year>
<volume>42</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>903-24</page-range></nlm-citation>
</ref>
<ref id="B33">
<label>33</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mazzoleni]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Wolff]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Wolff]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Reiner]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Correlation between component cardiac weights and electrocardiographic patterns in 185 cases]]></article-title>
<source><![CDATA[Circulation]]></source>
<year>1964</year>
<volume>30</volume>
<page-range>808-29</page-range></nlm-citation>
</ref>
<ref id="B34">
<label>34</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Peguero]]></surname>
<given-names><![CDATA[JG]]></given-names>
</name>
<name>
<surname><![CDATA[Lo Presti]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Pérez]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Issa]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Brenes]]></surname>
<given-names><![CDATA[JC]]></given-names>
</name>
<name>
<surname><![CDATA[Tolentino]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Electrocardiographic criteria for the diagnosis of left ventricular hypertrophy]]></article-title>
<source><![CDATA[J Am Coll Cardiol]]></source>
<year>2017</year>
<volume>69</volume>
<numero>13</numero>
<issue>13</issue>
<page-range>1694-703</page-range></nlm-citation>
</ref>
<ref id="B35">
<label>35</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lu]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Zhu]]></surname>
<given-names><![CDATA[JX]]></given-names>
</name>
<name>
<surname><![CDATA[Yang]]></surname>
<given-names><![CDATA[PX]]></given-names>
</name>
<name>
<surname><![CDATA[Tan]]></surname>
<given-names><![CDATA[XR]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Models for improved diagnosis of left ventricular hypertrophy based on conventional electrocardiographic criteria]]></article-title>
<source><![CDATA[BMC Cardiovasc Disord]]></source>
<year>2017</year>
<volume>17</volume>
<page-range>217</page-range></nlm-citation>
</ref>
<ref id="B36">
<label>36</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Su]]></surname>
<given-names><![CDATA[FY]]></given-names>
</name>
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[YH]]></given-names>
</name>
<name>
<surname><![CDATA[Lin]]></surname>
<given-names><![CDATA[YP]]></given-names>
</name>
<name>
<surname><![CDATA[Lee]]></surname>
<given-names><![CDATA[CJ]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[CH]]></given-names>
</name>
<name>
<surname><![CDATA[Meng]]></surname>
<given-names><![CDATA[FC]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A comparison of Cornell and Sokolow-Lyon electrocardiographic criteria for left ventricular hypertrophy in a military male population in Taiwan the Cardiorespiratory fitness and HospItalization Events in armed Forces study]]></article-title>
<source><![CDATA[Cardiovasc Diagn Ther]]></source>
<year>2017</year>
<volume>7</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>244-51</page-range></nlm-citation>
</ref>
<ref id="B37">
<label>37</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mbaye]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Dodo]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Ngaïde]]></surname>
<given-names><![CDATA[AA]]></given-names>
</name>
<name>
<surname><![CDATA[Sy]]></surname>
<given-names><![CDATA[NF]]></given-names>
</name>
<name>
<surname><![CDATA[Babaka]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Mingou]]></surname>
<given-names><![CDATA[JS]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Left ventricular hypertrophy in black African subjects with artery hypertension Results of a cross-sectional survey conducted in semi-rural area in Senegal]]></article-title>
<source><![CDATA[Ann Cardiol Angeiol (Paris)]]></source>
<year>2017</year>
<volume>66</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>210-6</page-range></nlm-citation>
</ref>
<ref id="B38">
<label>38</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Castro-Torres]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Carmona-Puerta]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Katholi]]></surname>
<given-names><![CDATA[RE]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ventricular repolarization markers for predicting malignant arrhythmias in clinical practice]]></article-title>
<source><![CDATA[World J Clin Cases]]></source>
<year>2015</year>
<volume>3</volume>
<numero>8</numero>
<issue>8</issue>
<page-range>705-20</page-range></nlm-citation>
</ref>
<ref id="B39">
<label>39</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mozos]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Caraba]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Electrocardiographic predictors of cardiovascular mortality]]></article-title>
<source><![CDATA[Dis Markers]]></source>
<year>2015</year>
<volume>2015</volume>
<page-range>727401</page-range></nlm-citation>
</ref>
<ref id="B40">
<label>40</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[De Bruin]]></surname>
<given-names><![CDATA[ML]]></given-names>
</name>
<name>
<surname><![CDATA[Langendijk]]></surname>
<given-names><![CDATA[PN]]></given-names>
</name>
<name>
<surname><![CDATA[Koopmans]]></surname>
<given-names><![CDATA[RP]]></given-names>
</name>
<name>
<surname><![CDATA[Wilde]]></surname>
<given-names><![CDATA[AM]]></given-names>
</name>
<name>
<surname><![CDATA[Lufkens]]></surname>
<given-names><![CDATA[HG]]></given-names>
</name>
<name>
<surname><![CDATA[Hoes]]></surname>
<given-names><![CDATA[AW]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[In-hospital cardiac arrest is associated with use of non-antiarrhythmic QTc-prolonging drugs]]></article-title>
<source><![CDATA[Br J Clin Pharmacol]]></source>
<year>2007</year>
<volume>63</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>216-23</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
