<?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>0034-7493</journal-id>
<journal-title><![CDATA[Revista Cubana de Cirugía]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Cubana Cir]]></abbrev-journal-title>
<issn>0034-7493</issn>
<publisher>
<publisher-name><![CDATA[Editorial Ciencias Médicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0034-74932019000100008</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Rol del ultrasonido en la evaluación del dolor abdominal agudo]]></article-title>
<article-title xml:lang="en"><![CDATA[The Role of Ultrasound in Assessing Acute Abdominal Pain]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Díaz Pi]]></surname>
<given-names><![CDATA[Oscar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Berty Gutiérrez]]></surname>
<given-names><![CDATA[Hedgar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Universitario &#8220;Dr. Miguel Enríquez&#8221;  ]]></institution>
<addr-line><![CDATA[La Habana ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2019</year>
</pub-date>
<volume>58</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0034-74932019000100008&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0034-74932019000100008&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0034-74932019000100008&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  El ultrasonido es una prueba de imagen segura y efectiva que ha ayudado a los médicos por más de medio siglo en el diagnóstico de enfermedades y se ha convertido en el estetoscopio del siglo XXI. El dolor abdominal agudo es una causa muy frecuente en los departamentos urgencia y emergencias de todo el mundo.  Objetivo: Exponer la utilidad del ultrasonido en la evaluación del dolor abdominal agudo.  Método:  Se realizó una revisión bibliográfica del tema en las bases de datos PubMed, BVS-BIREME y Cochrane. Se consideraron en la búsqueda todo tipo de estudios publicados desde enero de 1958 hasta junio de 2018, a los cuales se tuvo acceso. Los idiomas utilizados en la búsqueda fueron el español y el inglés.  Resultados: De forma general, la tomografía axial computarizada es el estudio por imagen de mayor sensibilidad y especificidad en evaluación del dolor abdominal agudo, lo que supera objetivamente al ultrasonido. Sin embargo, la utilización del ultrasonido por médicos no radiólogos, como complemento del examen físico gana cada día más espacio, sobre todo después del surgimiento del Point-of-Care Ultrasonography.  Conclusiones: El ultrasonido realizado por radiólogos es una herramienta útil en la evaluación del dolor abdominal agudo. El cirujano general puede diagnosticar con precisión los cálculos biliares pero el diagnóstico de colecistitis y de apendicitis es más desafiador. Son necesarios más estudios para avalar la utilización del ultrasonido por cirujanos generales en la evaluación del dolor abdominal agudo.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction: Ultrasound is a safe and effective imaging test that has helped physicians for more than half a century in the diagnosis of diseases and has become the stethoscope of the 21st century. Acute abdominal pain is a common cause in urgency departments and emergency rooms worldwide.  Objective:  To present the usefulness of ultrasound in the assessment of acute abdominal pain, performed in the department of radiology, emergency and by general surgeons.  Method:  A literature review of the subject was carried out in the databases PubMed, BVS-BIREME and Cochrane. All types of studies published from January 1958 to June 2018, which were accessed, were considered in the search. The languages &#8203;&#8203;used in the search were Spanish and English.  Results:  Generally speaking, the computed tomography is the imaging study of greater sensitivity and specificity in the assessment of acute abdominal pain, objectively surpassing ultrasonography. However, the use of ultrasound by non-radiological physicians, as a complement to the physical examination, gains more space each day, especially after the emergence of point-of-care ultrasonography.  Conclusions:  Ultrasonography performed by radiologists is a useful tool in the assessment of acute abdominal pain. The general surgeon can accurately diagnose gallstones, but the diagnosis of cholecystitis and appendicitis is more challenging. More studies are needed to support the use of ultrasound by general surgeons in the assessment of acute abdominal pain.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[ultrasonografía]]></kwd>
<kwd lng="es"><![CDATA[urgencia]]></kwd>
<kwd lng="es"><![CDATA[cirujanos]]></kwd>
<kwd lng="es"><![CDATA[abdomen agudo]]></kwd>
<kwd lng="es"><![CDATA[dolor abdominal]]></kwd>
<kwd lng="es"><![CDATA[colecistitis aguda]]></kwd>
<kwd lng="es"><![CDATA[apendicitis aguda]]></kwd>
<kwd lng="es"><![CDATA[embarazo ectópico]]></kwd>
<kwd lng="es"><![CDATA[obstrucción intestinal]]></kwd>
<kwd lng="en"><![CDATA[ultrasonography]]></kwd>
<kwd lng="en"><![CDATA[urgency]]></kwd>
<kwd lng="en"><![CDATA[surgeons]]></kwd>
<kwd lng="en"><![CDATA[acute abdomen]]></kwd>
<kwd lng="en"><![CDATA[abdominal pain]]></kwd>
<kwd lng="en"><![CDATA[acute cholecystitis]]></kwd>
<kwd lng="en"><![CDATA[acute appendicitis]]></kwd>
<kwd lng="en"><![CDATA[ectopic pregnancy]]></kwd>
<kwd lng="en"><![CDATA[intestinal obstruction]]></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[Donald]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Macvicar]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Brown]]></surname>
<given-names><![CDATA[TG]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Investigation of abdominal masses by pulsed ultrasound]]></article-title>
<source><![CDATA[Lancet]]></source>
<year>1958</year>
<volume>1</volume>
<page-range>1188-95</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[Kristensen]]></surname>
<given-names><![CDATA[JK]]></given-names>
</name>
<name>
<surname><![CDATA[Buemann]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Kuehl]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ultrasonic scanning in the diagnosis of splenic haematomas]]></article-title>
<source><![CDATA[Acta Chir Scand]]></source>
<year>1971</year>
<volume>137</volume>
<page-range>653-7</page-range></nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rozycki]]></surname>
<given-names><![CDATA[GS]]></given-names>
</name>
<name>
<surname><![CDATA[Ochsner]]></surname>
<given-names><![CDATA[MG]]></given-names>
</name>
<name>
<surname><![CDATA[Schmidt]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
<name>
<surname><![CDATA[Frankel]]></surname>
<given-names><![CDATA[HL]]></given-names>
</name>
<name>
<surname><![CDATA[Davis]]></surname>
<given-names><![CDATA[TP]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A propective study of surgeon-performed ultrasound as the primary adjuvant modality foor injured patient assessment]]></article-title>
<source><![CDATA[J Trauma]]></source>
<year>1995</year>
<volume>39</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>492:498-500</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Williams]]></surname>
<given-names><![CDATA[RJ]]></given-names>
</name>
<name>
<surname><![CDATA[Windsor]]></surname>
<given-names><![CDATA[AC]]></given-names>
</name>
<name>
<surname><![CDATA[Rosin]]></surname>
<given-names><![CDATA[RD]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ultrasound scanning of the acute abdomen by surgeons in training]]></article-title>
<source><![CDATA[Ann R Coll Surg Engl]]></source>
<year>1994</year>
<volume>76</volume>
<page-range>228-33</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[Ballard]]></surname>
<given-names><![CDATA[RB]]></given-names>
</name>
<name>
<surname><![CDATA[Rozycki]]></surname>
<given-names><![CDATA[GS]]></given-names>
</name>
<name>
<surname><![CDATA[Knudson]]></surname>
<given-names><![CDATA[MM]]></given-names>
</name>
<name>
<surname><![CDATA[Pennington]]></surname>
<given-names><![CDATA[SD]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The surgeon&amp;apos;s use of ultrasound in the acute setting]]></article-title>
<source><![CDATA[Surg Clin North Am]]></source>
<year>1998</year>
<volume>78</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>337-64</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[Rozycki]]></surname>
<given-names><![CDATA[GS]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Surgeon-performed ultrasound its use in clinical practice]]></article-title>
<source><![CDATA[Ann Surg]]></source>
<year>1998</year>
<volume>228</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>16-28</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[Allemann]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Cassina]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Röthlin]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Largiadèr]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ultrasound scans done by surgeons for patients with acute abdominal pain a prospective study]]></article-title>
<source><![CDATA[Eur J Surg]]></source>
<year>1999</year>
<volume>165</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>966-70</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[Lindelius]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Törngren]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Sondén]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Pettersson]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Adami]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Impact of surgeon-performed ultrasound on diagnosis of abdominal pain]]></article-title>
<source><![CDATA[Emerg Med J]]></source>
<year>2008</year>
<volume>25</volume>
<page-range>486-91</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[Lindelius]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Pettersson]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Adami]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Törngren]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Sondén]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Patient factors influencing the effect of surgeon-performed ultrasound on the acute abdomen]]></article-title>
<source><![CDATA[Crit Ultrasound J]]></source>
<year>2010</year>
<volume>2</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>97-105</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[Lindelius]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Törngren]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Nilsson]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Pettersson]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Adami]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Randomized clinical trial of bedside ultrasound among patients with abdominal pain in the emergency department impact on patient satisfaction and health care consumption]]></article-title>
<source><![CDATA[Scand J Trauma Resusc Emerg Med]]></source>
<year>2009</year>
<volume>17</volume>
<page-range>60</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[Lindelius]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Törngren]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Pettersson]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Adami]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Role of surgeon-performed ultrasound on further management of patients with acute abdominal pain a randomised controlled clinical trial]]></article-title>
<source><![CDATA[Emerg Med J]]></source>
<year>2009</year>
<volume>26</volume>
<numero>8</numero>
<issue>8</issue>
<page-range>561-6</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[Pi]]></surname>
<given-names><![CDATA[OD]]></given-names>
</name>
<name>
<surname><![CDATA[Gutiérrez]]></surname>
<given-names><![CDATA[HB]]></given-names>
</name>
<name>
<surname><![CDATA[Morales]]></surname>
<given-names><![CDATA[MLM]]></given-names>
</name>
<name>
<surname><![CDATA[Varela]]></surname>
<given-names><![CDATA[RR]]></given-names>
</name>
<name>
<surname><![CDATA[Arias]]></surname>
<given-names><![CDATA[AÁ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ultrasonido de urgencia realizado por cirujanos en pacientes ingresados en el Departamento de Urgencia]]></article-title>
<source><![CDATA[Revista Cubana de Cirugía]]></source>
<year>2018</year>
<volume>57</volume>
<numero>1</numero>
<issue>1</issue>
</nlm-citation>
</ref>
<ref id="B13">
<label>13</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Moore]]></surname>
<given-names><![CDATA[CL]]></given-names>
</name>
<name>
<surname><![CDATA[Copel]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Point-of-care ultrasonography]]></article-title>
<source><![CDATA[N Engl J Med]]></source>
<year>2011</year>
<volume>364</volume>
<page-range>749-57</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[Águila]]></surname>
<given-names><![CDATA[HRD]]></given-names>
</name>
<name>
<surname><![CDATA[Suárez]]></surname>
<given-names><![CDATA[OV]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ecografía de rastreo.¿ Complementario o evaluación clínica? Is point of care ultrasound a complementary test or clinical assessment?]]></article-title>
<source><![CDATA[Revista Cubana de Medicina Intensiva y Emergencias]]></source>
<year>2016</year>
<volume>15</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>1-3</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[Gharahbaghian]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Anderson]]></surname>
<given-names><![CDATA[KL]]></given-names>
</name>
<name>
<surname><![CDATA[Lobo]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Huang]]></surname>
<given-names><![CDATA[RW]]></given-names>
</name>
<name>
<surname><![CDATA[Poffenberger]]></surname>
<given-names><![CDATA[CM]]></given-names>
</name>
<name>
<surname><![CDATA[Nguyen]]></surname>
<given-names><![CDATA[PD]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Point-of-Care Ultrasound in Austere Environments A Complete Review of Its Utilization, Pitfalls, and Technique for Common Applications in Austere Settings]]></article-title>
<source><![CDATA[Emerg Med Clin North Am]]></source>
<year>2017</year>
<volume>35</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>409-41</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[Fagenholz]]></surname>
<given-names><![CDATA[PJ]]></given-names>
</name>
<name>
<surname><![CDATA[de Moya]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Acute inflammatory surgical disease]]></article-title>
<source><![CDATA[Surg Clin N Am]]></source>
<year>2014</year>
<volume>94</volume>
<page-range>1-30</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[Kameda]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Taniguchi]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Overview of point-of-care abdominal ultrasound in emergency and critical care]]></article-title>
<source><![CDATA[J Intensive Care]]></source>
<year>2016</year>
<volume>4</volume>
<page-range>53</page-range></nlm-citation>
</ref>
<ref id="B18">
<label>18</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Natesan]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Lee]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Volkamer]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Thoureen]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evidence-Based Medicine Approach to Abdominal Pain]]></article-title>
<source><![CDATA[Emerg Med Clin North Am]]></source>
<year>2016</year>
<volume>34</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>165-90</page-range></nlm-citation>
</ref>
<ref id="B19">
<label>19</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Whitson]]></surname>
<given-names><![CDATA[MR]]></given-names>
</name>
<name>
<surname><![CDATA[Mayo]]></surname>
<given-names><![CDATA[PH]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ultrasonography in the emergency department]]></article-title>
<source><![CDATA[Critical Care]]></source>
<year>2016</year>
<volume>20</volume>
<page-range>227</page-range></nlm-citation>
</ref>
<ref id="B20">
<label>20</label><nlm-citation citation-type="journal">
<collab>Tomizawa</collab>
<collab>Minoru</collab>
<article-title xml:lang=""><![CDATA[Abdominal ultrasonography for patients with abdominal pain as a first-line diagnostic imaging modality]]></article-title>
<source><![CDATA[Exp Ther Med]]></source>
<year>2017</year>
<volume>13</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>1932-6</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[Spence]]></surname>
<given-names><![CDATA[SC]]></given-names>
</name>
<name>
<surname><![CDATA[Teichgraeber]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Chandrasekhar]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Emergent Right Upper Quadrant Sonography]]></article-title>
<source><![CDATA[J Ultrasound Med]]></source>
<year>2009</year>
<volume>28</volume>
<page-range>479-96</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[Avegno]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Carlisle]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluating the Patient with Right Upper Quadrant Abdominal Pain]]></article-title>
<source><![CDATA[Emerg Med Clin North Am]]></source>
<year>2016</year>
<volume>34</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>211-28</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[Bennett]]></surname>
<given-names><![CDATA[GL]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluating Patients with Right Upper Quadrant Pain]]></article-title>
<source><![CDATA[Radiol Clin North Am]]></source>
<year>2015</year>
<volume>53</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>1093-130</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[Scruggs]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Accuracy of ED bedside ultrasound for identification of gallstones: retrospective analysis of 575 studies]]></article-title>
<source><![CDATA[West J Emerg Med]]></source>
<year>2008</year>
<volume>9</volume>
<page-range>1-5</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[Ross]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Emergency physician-performed ultrasound to diagnose cholelithiasis: a systematic review]]></article-title>
<source><![CDATA[Acad Emerg Med]]></source>
<year>2011</year>
<volume>18</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>227-35</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[Summers]]></surname>
<given-names><![CDATA[SM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A Prospective Evaluation of Emergency Department Bedside Ultrasonography for the Detection of Acute Cholecystitis]]></article-title>
<source><![CDATA[Ann Emerg Med]]></source>
<year>2010</year>
<volume>56</volume>
<page-range>114-22</page-range></nlm-citation>
</ref>
<ref id="B27">
<label>27</label><nlm-citation citation-type="journal">
<collab>Jain</collab>
<article-title xml:lang=""><![CDATA[History, Physical Examination, Laboratory Testing, and Emergency Department Ultrasonography for the Diagnosis of Acute Cholecystitis]]></article-title>
<source><![CDATA[Acad Emerg Med]]></source>
<year>2017</year>
<volume>24</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>281-97</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[Carroll]]></surname>
<given-names><![CDATA[P J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Surgeon-performed ultrasound at the bedside for the detection of appendicitis and gallstones systematic review and meta-analysis]]></article-title>
<source><![CDATA[Am J Surg]]></source>
<year>2013</year>
<volume>205</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>102-8</page-range></nlm-citation>
</ref>
<ref id="B29">
<label>29</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gustafsson]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[McNicholas]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Sondén]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Törngren]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Järnbert-Pettersson]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Lindelius]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Accuracy of Surgeon-Performed Ultrasound in Detecting Gallstones A Validation Study]]></article-title>
<source><![CDATA[World J Surg]]></source>
<year>2016</year>
<volume>40</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>1688-94</page-range></nlm-citation>
</ref>
<ref id="B30">
<label>30</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kell]]></surname>
<given-names><![CDATA[MR]]></given-names>
</name>
<name>
<surname><![CDATA[Aherne]]></surname>
<given-names><![CDATA[NJ]]></given-names>
</name>
<name>
<surname><![CDATA[Coffey]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Power]]></surname>
<given-names><![CDATA[CP]]></given-names>
</name>
<name>
<surname><![CDATA[Kirwan]]></surname>
<given-names><![CDATA[WO]]></given-names>
</name>
<name>
<surname><![CDATA[Redmond]]></surname>
<given-names><![CDATA[HP]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Emergency surgeon-performed hepatobiliary ultrasonography]]></article-title>
<source><![CDATA[Br J Surg]]></source>
<year>2002</year>
<volume>89</volume>
<numero>11</numero>
<issue>11</issue>
<page-range>1402-4</page-range></nlm-citation>
</ref>
<ref id="B31">
<label>31</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fang]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Pilcher]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
<name>
<surname><![CDATA[Putnam]]></surname>
<given-names><![CDATA[AT]]></given-names>
</name>
<name>
<surname><![CDATA[Smith]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Smith]]></surname>
<given-names><![CDATA[DL]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Accuracy of surgeon-performed gallbladder ultrasound]]></article-title>
<source><![CDATA[Am J Surg]]></source>
<year>1999</year>
<volume>178</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>475-9</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[Irkorucu]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Reyhan]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Erdem]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Cetinkünar]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Deger]]></surname>
<given-names><![CDATA[KC]]></given-names>
</name>
<name>
<surname><![CDATA[Yilmaz]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Accuracy of surgeon-performed gallbladder ultrasound in identification of acute cholecystitis]]></article-title>
<source><![CDATA[J Invest Surg]]></source>
<year>2013</year>
<volume>26</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>85-8</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[Cucher]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Kulvatunyou]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Green]]></surname>
<given-names><![CDATA[DJ]]></given-names>
</name>
<name>
<surname><![CDATA[Jie]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Ong]]></surname>
<given-names><![CDATA[ES]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Gallstone pancreatitis a review]]></article-title>
<source><![CDATA[Surg Clin North Am]]></source>
<year>2014</year>
<volume>94</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>257-80</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[Shah]]></surname>
<given-names><![CDATA[AP]]></given-names>
</name>
<name>
<surname><![CDATA[Mourad]]></surname>
<given-names><![CDATA[MM]]></given-names>
</name>
<name>
<surname><![CDATA[Bramhall]]></surname>
<given-names><![CDATA[SR]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Acute pancreatitis current perspectives on diagnosis and management]]></article-title>
<source><![CDATA[J Inflamm Res]]></source>
<year>2018</year>
<volume>11</volume>
<page-range>77-85</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[Knab]]></surname>
<given-names><![CDATA[LM]]></given-names>
</name>
<name>
<surname><![CDATA[Boller]]></surname>
<given-names><![CDATA[AM]]></given-names>
</name>
<name>
<surname><![CDATA[Mahvi]]></surname>
<given-names><![CDATA[DM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cholecystitis]]></article-title>
<source><![CDATA[Surg Clin North Am]]></source>
<year>2014</year>
<volume>94</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>455-70</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[Cafasso]]></surname>
<given-names><![CDATA[DE]]></given-names>
</name>
<name>
<surname><![CDATA[Smith]]></surname>
<given-names><![CDATA[RR]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Symptomatic cholelithiasis and functional disorders of the biliary tract]]></article-title>
<source><![CDATA[Surg Clin North Am]]></source>
<year>2014</year>
<volume>94</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>233-56</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[Paulson]]></surname>
<given-names><![CDATA[EK]]></given-names>
</name>
<name>
<surname><![CDATA[Kalady]]></surname>
<given-names><![CDATA[MF]]></given-names>
</name>
<name>
<surname><![CDATA[Pappas]]></surname>
<given-names><![CDATA[TN]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Clinical practice. Suspected appendicitis]]></article-title>
<source><![CDATA[N Engl J Med]]></source>
<year>2003</year>
<volume>348</volume>
<page-range>236-42</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[Raja]]></surname>
<given-names><![CDATA[AS]]></given-names>
</name>
<name>
<surname><![CDATA[Wright]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Negative appendectomy rate in the era of CT an 18-year perspective]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Sodickson]]></surname>
<given-names><![CDATA[AD]]></given-names>
</name>
</person-group>
<source><![CDATA[Radiology]]></source>
<year>2010</year>
<volume>256</volume>
<page-range>460-5</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[Parks]]></surname>
<given-names><![CDATA[NA]]></given-names>
</name>
<name>
<surname><![CDATA[Schroeppel]]></surname>
<given-names><![CDATA[TJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Update on Imaging for Acute Appendicitis]]></article-title>
<source><![CDATA[Surg Clin North Am]]></source>
<year>2011</year>
<volume>91</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>141-54</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[Shogilev]]></surname>
<given-names><![CDATA[DJ]]></given-names>
</name>
<name>
<surname><![CDATA[Duus]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Odom]]></surname>
<given-names><![CDATA[SR]]></given-names>
</name>
<name>
<surname><![CDATA[Shapiro]]></surname>
<given-names><![CDATA[NI]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Diagnosing Apendicitis Evidence-Based Review of the Diagnostic Approach in 2014.West J Emerg]]></article-title>
<source><![CDATA[Med]]></source>
<year>2014</year>
<volume>15</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>859-71</page-range></nlm-citation>
</ref>
<ref id="B41">
<label>41</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Giljaca]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Nadarevic]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Poropat]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Nadarevic]]></surname>
<given-names><![CDATA[VS]]></given-names>
</name>
<name>
<surname><![CDATA[Stimac]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Diagnostic Accuracy of Abdominal Ultrasound for Diagnosis of Acute Appendicitis Systematic Review and Meta-analysis]]></article-title>
<source><![CDATA[World J Surg]]></source>
<year>2017</year>
<volume>41</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>693-700</page-range></nlm-citation>
</ref>
<ref id="B42">
<label>42</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Matthew Fields]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Davis]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Alsup]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Bates]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Au]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Adhikari]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Farrell]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Accuracy of Point-of-care Ultrasonography for Diagnosing Acute Appendicitis A Systematic Review and Meta-analysis]]></article-title>
<source><![CDATA[Acad Emerg Med]]></source>
<year>2017</year>
<volume>24</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>1124-36</page-range></nlm-citation>
</ref>
<ref id="B43">
<label>43</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Benabbas]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Hanna]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Shah]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Sinert]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Diagnostic Accuracy of History, Physical Examination, Laboratory Tests, and Point-of-care Ultrasound for Pediatric Acute Appendicitis in the Emergency Department A Systematic Review and Meta-analysis]]></article-title>
<source><![CDATA[Acad Emerg Med]]></source>
<year>2017</year>
<volume>24</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>523-51</page-range></nlm-citation>
</ref>
<ref id="B44">
<label>44</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Beltzer]]></surname>
<given-names><![CDATA[CR]]></given-names>
</name>
<name>
<surname><![CDATA[Zischek]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Schmidt]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Friemert]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Achatz]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Palm]]></surname>
<given-names><![CDATA[HG]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The Relevance of Surgeon-performed Ultrasound for the Detection of Acute Appendicitis A Review of the Literature and a Practical Diagnostic Algorithm]]></article-title>
<source><![CDATA[Zentralbl Chir]]></source>
<year>2017</year>
<volume>142</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>395-403</page-range></nlm-citation>
</ref>
<ref id="B45">
<label>45</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kessler]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Cyteval]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Gallix]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Appendicitis evaluation of sensitivity, specificity, and predictive values of US, Doppler US, and laboratory findings]]></article-title>
<source><![CDATA[Radiology]]></source>
<year>2004</year>
<volume>230</volume>
<page-range>472-8</page-range></nlm-citation>
</ref>
<ref id="B46">
<label>46</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[DeStigter]]></surname>
<given-names><![CDATA[KK]]></given-names>
</name>
<name>
<surname><![CDATA[Keating]]></surname>
<given-names><![CDATA[DP]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Imaging Update Acute Colonic Diverticulitis]]></article-title>
<source><![CDATA[Clin Colon Rectal Surg]]></source>
<year>2009</year>
<volume>22</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>147-55</page-range></nlm-citation>
</ref>
<ref id="B47">
<label>47</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bor]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Fábián]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Szepes]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Role of ultrasound in colorectal diseases]]></article-title>
<source><![CDATA[World J Gastroenterol]]></source>
<year>2016</year>
<volume>22</volume>
<numero>43</numero>
<issue>43</issue>
<page-range>9477-87</page-range></nlm-citation>
</ref>
<ref id="B48">
<label>48</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Laméris]]></surname>
<given-names><![CDATA[WE]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Graded compression ultrasonography and computed tomography in acute colonic diverticulitis: Meta-analysis of test accuracy]]></article-title>
<source><![CDATA[Eur Radiol]]></source>
<year>2008</year>
<volume>18</volume>
<page-range>2498</page-range></nlm-citation>
</ref>
<ref id="B49">
<label>49</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Andeweg]]></surname>
<given-names><![CDATA[CS]]></given-names>
</name>
<name>
<surname><![CDATA[Wegdam]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
<name>
<surname><![CDATA[Groenewoud]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Toward an evidence-based step-up approach in diagnosing diverticulitis]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[van der Wilt]]></surname>
<given-names><![CDATA[GJ]]></given-names>
</name>
<name>
<surname><![CDATA[van Goor]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Bleichrodt]]></surname>
<given-names><![CDATA[RP]]></given-names>
</name>
</person-group>
<source><![CDATA[Scand J Gastroenterol]]></source>
<year>2014</year>
<volume>49</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>775-84</page-range></nlm-citation>
</ref>
<ref id="B50">
<label>50</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Seitz]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Reising]]></surname>
<given-names><![CDATA[KD]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ultrasound detection of free air in the abdominal cavity]]></article-title>
<source><![CDATA[Ultraschall Med]]></source>
<year>1982</year>
<volume>3</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>4-6</page-range></nlm-citation>
</ref>
<ref id="B51">
<label>51</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chen]]></surname>
<given-names><![CDATA[SC]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[HP]]></given-names>
</name>
<name>
<surname><![CDATA[Chen]]></surname>
<given-names><![CDATA[WJ]]></given-names>
</name>
<name>
<surname><![CDATA[Lin]]></surname>
<given-names><![CDATA[FY]]></given-names>
</name>
<name>
<surname><![CDATA[Hsu]]></surname>
<given-names><![CDATA[CY]]></given-names>
</name>
<name>
<surname><![CDATA[Chang]]></surname>
<given-names><![CDATA[KJ]]></given-names>
</name>
<name>
<surname><![CDATA[Chen]]></surname>
<given-names><![CDATA[WJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Selective use of ultrasonography for the detection of pneumoperitoneum]]></article-title>
<source><![CDATA[Acad Emerg Med]]></source>
<year>2002</year>
<volume>9</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>643-5</page-range></nlm-citation>
</ref>
<ref id="B52">
<label>52</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chen]]></surname>
<given-names><![CDATA[SC]]></given-names>
</name>
<name>
<surname><![CDATA[Yen]]></surname>
<given-names><![CDATA[ZS]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[HP]]></given-names>
</name>
<name>
<surname><![CDATA[Lin]]></surname>
<given-names><![CDATA[FY]]></given-names>
</name>
<name>
<surname><![CDATA[Hsu]]></surname>
<given-names><![CDATA[CY]]></given-names>
</name>
<name>
<surname><![CDATA[Chen]]></surname>
<given-names><![CDATA[WJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ultrasonography is superior to plain radiography in the diagnosis of pneumoperitoneum]]></article-title>
<source><![CDATA[Br J Surg]]></source>
<year>2002</year>
<volume>89</volume>
<page-range>351-4</page-range></nlm-citation>
</ref>
<ref id="B53">
<label>53</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ogata]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Imai]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Hosotani]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Aoyama]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Hayashi]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Ishikawa]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Abdominal sonography for the diagnosis of large bowel obstruction]]></article-title>
<source><![CDATA[Surg Today]]></source>
<year>1994</year>
<volume>24</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>791-4</page-range></nlm-citation>
</ref>
<ref id="B54">
<label>54</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ogata]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Mateer]]></surname>
<given-names><![CDATA[JR]]></given-names>
</name>
<name>
<surname><![CDATA[Condon]]></surname>
<given-names><![CDATA[RE]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Prospective evaluation of abdominal sonography for the diagnosis of bowel obstruction]]></article-title>
<source><![CDATA[Ann Surg]]></source>
<year>1996</year>
<volume>223</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>237-41</page-range></nlm-citation>
</ref>
<ref id="B55">
<label>55</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Suri]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Gupta]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Sudhakar]]></surname>
<given-names><![CDATA[PJ]]></given-names>
</name>
<name>
<surname><![CDATA[Venkataramu]]></surname>
<given-names><![CDATA[NK]]></given-names>
</name>
<name>
<surname><![CDATA[Sood]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Wig]]></surname>
<given-names><![CDATA[JD]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparative evaluation of plain films, ultrasound and CT in the diagnosis of intestinal obstruction]]></article-title>
<source><![CDATA[Acta Radiol]]></source>
<year>1999</year>
<volume>40</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>422-8</page-range></nlm-citation>
</ref>
<ref id="B56">
<label>56</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jang]]></surname>
<given-names><![CDATA[TB]]></given-names>
</name>
<name>
<surname><![CDATA[Schindler]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Kaji]]></surname>
<given-names><![CDATA[AH]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Bedside ultrasonography for the detection of small bowel obstruction in the emergency department]]></article-title>
<source><![CDATA[Emerg Med J]]></source>
<year>2011</year>
<volume>28</volume>
<page-range>676-8</page-range></nlm-citation>
</ref>
<ref id="B57">
<label>57</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wale]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Pilcher]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Current Role of Ultrasound in Small Bowel Imaging]]></article-title>
<source><![CDATA[Semin Ultrasound CT MR]]></source>
<year>2016</year>
<volume>37</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>301-12</page-range></nlm-citation>
</ref>
<ref id="B58">
<label>58</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Taylor]]></surname>
<given-names><![CDATA[MR]]></given-names>
</name>
<name>
<surname><![CDATA[Lalani]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Adult small bowel obstruction]]></article-title>
<source><![CDATA[Acad Emerg Med]]></source>
<year>2013</year>
<volume>20</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>528-44</page-range></nlm-citation>
</ref>
<ref id="B59">
<label>59</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cicchiello]]></surname>
<given-names><![CDATA[LA]]></given-names>
</name>
<name>
<surname><![CDATA[Hamper]]></surname>
<given-names><![CDATA[UM]]></given-names>
</name>
<name>
<surname><![CDATA[Scoutt]]></surname>
<given-names><![CDATA[LM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ultrasound evaluation of gynecologic causes of pelvic pain]]></article-title>
<source><![CDATA[Obstet Gynecol Clin North Am]]></source>
<year>2011</year>
<volume>38</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>85-114</page-range></nlm-citation>
</ref>
<ref id="B60">
<label>60</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hsu]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Euerk]]></surname>
<given-names><![CDATA[BD]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ultrasound in pregnancy]]></article-title>
<source><![CDATA[Emerg Med Clin North Am]]></source>
<year>2012</year>
<volume>4</volume>
<page-range>849-67</page-range></nlm-citation>
</ref>
<ref id="B61">
<label>61</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sohoni]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Bosley]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Miss]]></surname>
<given-names><![CDATA[JC]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Bedside ultrasonography for obstetric and gynecologic emergencies]]></article-title>
<source><![CDATA[Crit Care Clin]]></source>
<year>2014</year>
<volume>30</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>207-26</page-range></nlm-citation>
</ref>
<ref id="B62">
<label>62</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Amirbekian]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Hooley]]></surname>
<given-names><![CDATA[RJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ultrasound evaluation of pelvic pain]]></article-title>
<source><![CDATA[Radiol Clin North Am]]></source>
<year>2014</year>
<volume>52</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>1215-35</page-range></nlm-citation>
</ref>
<ref id="B63">
<label>63</label><nlm-citation citation-type="journal">
<collab>American College of Emergency Physicians</collab>
<article-title xml:lang=""><![CDATA[Ultrasound Guidelines Emergency, Point-of-Care, and Clinical Ultrasound Guidelines in Medicine]]></article-title>
<source><![CDATA[Ann Emerg Med]]></source>
<year>2017</year>
<volume>69</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>e27-54</page-range></nlm-citation>
</ref>
<ref id="B64">
<label>64</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Stein]]></surname>
<given-names><![CDATA[JC]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Adler]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Boscardin]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Jacoby]]></surname>
<given-names><![CDATA[VL]]></given-names>
</name>
<name>
<surname><![CDATA[Won]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Emergency physician ultrasonography for evaluating patients at risk for ectopic pregnancy a meta-analysis]]></article-title>
<source><![CDATA[Ann Emerg Med]]></source>
<year>2010</year>
<volume>56</volume>
<page-range>674-83</page-range></nlm-citation>
</ref>
<ref id="B65">
<label>65</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wilson]]></surname>
<given-names><![CDATA[SP]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Point-of-care ultrasound versus radiology department pelvic ultrasound on emergency department length of stay]]></article-title>
<source><![CDATA[World J Emerg Med]]></source>
<year>2016</year>
<volume>7</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>178-82</page-range></nlm-citation>
</ref>
<ref id="B66">
<label>66</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Morgan]]></surname>
<given-names><![CDATA[BB]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of Emergency Physician-Performed Point-of-Care Ultrasound and Radiology Department-Performed Ultrasound Examinations on the Emergency Department Length of Stay Among Pregnant Women at Less Than 20 Weeks' Gestation]]></article-title>
<source><![CDATA[J Ultrasound Med]]></source>
<year>2018</year>
</nlm-citation>
</ref>
<ref id="B67">
<label>67</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mould]]></surname>
<given-names><![CDATA[TA]]></given-names>
</name>
<name>
<surname><![CDATA[Byrne]]></surname>
<given-names><![CDATA[DL]]></given-names>
</name>
<name>
<surname><![CDATA[Morton]]></surname>
<given-names><![CDATA[KE]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The role of ultrasound in gynecological emergencies]]></article-title>
<source><![CDATA[Ultrasound Obstet Gynecol]]></source>
<year>1992</year>
<volume>2</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>121-3</page-range></nlm-citation>
</ref>
<ref id="B68">
<label>68</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Habib]]></surname>
<given-names><![CDATA[FA]]></given-names>
</name>
<name>
<surname><![CDATA[McKenney]]></surname>
<given-names><![CDATA[MG]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Surgeon-performed ultrasound in the ICU setting]]></article-title>
<source><![CDATA[Surg Clin North Am]]></source>
<year>2004</year>
<volume>84</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>1151-79</page-range></nlm-citation>
</ref>
<ref id="B69">
<label>69</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Blum]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Ferrada]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ultrasound and Other Innovations for Fluid Management in the ICU]]></article-title>
<source><![CDATA[Surg Clin North Am]]></source>
<year>2017</year>
<volume>97</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>1323-37</page-range></nlm-citation>
</ref>
<ref id="B70">
<label>70</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Masselli]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Derme]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Laghi]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Framarino-dei-Malatesta]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Gualdi]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluating the Acute Abdomen in the Pregnant Patient]]></article-title>
<source><![CDATA[Radiol Clin North Am]]></source>
<year>2015</year>
<volume>53</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>1309-25</page-range></nlm-citation>
</ref>
<ref id="B71">
<label>71</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Khandelwal]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Fasih]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Kielar]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Imaging of acute abdomen in pregnancy]]></article-title>
<source><![CDATA[Radiol Clin North Am]]></source>
<year>2013</year>
<volume>51</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>1005-22</page-range></nlm-citation>
</ref>
<ref id="B72">
<label>72</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sherer]]></surname>
<given-names><![CDATA[DM]]></given-names>
</name>
<name>
<surname><![CDATA[Dalloul]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Schwartzman]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Strasburger]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Farrell]]></surname>
<given-names><![CDATA[RA]]></given-names>
</name>
<name>
<surname><![CDATA[Zinn]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Abulafia]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Point-of-care sonographic diagnosis of maternal small bowel obstruction during pregnancy]]></article-title>
<source><![CDATA[Ultrasound Obstet Gynecol]]></source>
<year>2016</year>
<volume>48</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>403-4</page-range></nlm-citation>
</ref>
<ref id="B73">
<label>73</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Webster]]></surname>
<given-names><![CDATA[PJ]]></given-names>
</name>
<name>
<surname><![CDATA[Bailey]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
<name>
<surname><![CDATA[Wilson]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Burke]]></surname>
<given-names><![CDATA[DA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Small bowel obstruction in pregnancy is a complex surgical problem with a high risk of fetal loss]]></article-title>
<source><![CDATA[Ann R Coll Surg Engl]]></source>
<year>2015</year>
<volume>97</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>339-44</page-range></nlm-citation>
</ref>
<ref id="B74">
<label>74</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Diane]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Babcock. Sonography of the Acute Abdomen in the Pediatric Patient]]></article-title>
<source><![CDATA[J Ultrasound Med]]></source>
<year>2002</year>
<volume>21</volume>
<page-range>887-99</page-range></nlm-citation>
</ref>
<ref id="B75">
<label>75</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bonasso]]></surname>
<given-names><![CDATA[PC]]></given-names>
</name>
<name>
<surname><![CDATA[Dassinger]]></surname>
<given-names><![CDATA[MS]]></given-names>
</name>
<name>
<surname><![CDATA[Wyrick]]></surname>
<given-names><![CDATA[DL]]></given-names>
</name>
<name>
<surname><![CDATA[Gurien]]></surname>
<given-names><![CDATA[LA]]></given-names>
</name>
<name>
<surname><![CDATA[Burford]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
<name>
<surname><![CDATA[Smith]]></surname>
<given-names><![CDATA[SD]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Review of bedside surgeon-performed ultrasound in pediatric patients]]></article-title>
<source><![CDATA[J Pediatr Surg]]></source>
<year>2018</year>
<volume>S0022-3468</volume>
<numero>18</numero>
<issue>18</issue>
<page-range>30314-2</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
