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</div><div><span>Abdominal ultrasound</span></div></div>
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</noscript></div><div class="main"><div id="ency_summary"><p>Abdominal <a test="test" href="./003336.htm">ultrasound</a> is a type of imaging test. It is used to look at organs in the abdomen, including the liver, gallbladder, spleen, pancreas, and kidneys. The blood vessels that lead to some of these organs, such as the inferior vena cava and aorta, can also be examined with ultrasound.</p></div><section><div class="section"><div class="section-header"><div class="section-title"><h2>How the Test is Performed</h2></div><div class="section-button"><button type="submit" aria-controls="section-1" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-1"><p>An ultrasound machine makes images of organs and structures inside the body. The machine sends out high-frequency sound waves that reflect off body structures. A computer receives these waves and uses them to create a picture. Unlike with <a test="test" href="./003337.htm">x-rays</a> or <a test="test" href="./003330.htm">CT scans</a>, this test does not expose you to ionizing radiation. </p><p>You will be lying down for the procedure. A clear, water-based conducting gel is applied to the skin over the abdomen. This helps with the transmission of the sound waves. A handheld probe called a transducer is then moved over the abdomen.</p><p>You may need to change position so that the health care provider can look at different areas. You may also need to hold your breath for short periods during the exam.</p><p>Most of the time, the test takes less than 30 minutes.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>How to Prepare for the Test</h2></div><div class="section-button"><button type="submit" aria-controls="section-2" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-2"><p>How you will prepare for the test depends on the problem. You will likely be asked not to eat or drink for several hours before the exam. Your health care provider will go over what you need to do. </p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>How the Test will Feel</h2></div><div class="section-button"><button type="submit" aria-controls="section-3" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-3"><p>There is little discomfort. The conducting gel may feel a little cold and wet. The sonographer may press the probe against your abdomen.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Why the Test is Performed</h2></div><div class="section-button"><button type="submit" aria-controls="section-4" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-4"><p>You may have this test to: </p><ul><li>Find the cause of abdominal pain</li><li>Find the cause of kidney infections</li><li>Diagnose or monitor tumors and cancers</li><li>Diagnose or treat <a test="test" href="./000286.htm">ascites</a></li><li>Learn why there is swelling of an abdominal organ</li><li>Look for damage after an injury</li><li>Look for stones in the gallbladder or kidney</li><li>Look for the cause of abnormal blood tests such as <a test="test" href="./003436.htm">liver function tests</a> or kidney tests</li><li>Look for the cause of a fever </li></ul><p>The reason for the test will depend on your symptoms.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Normal Results</h2></div><div class="section-button"><button type="submit" aria-controls="section-5" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-5"><p>The organs examined appear normal.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>What Abnormal Results Mean</h2></div><div class="section-button"><button type="submit" aria-controls="section-6" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-6"><p>The meaning of abnormal results depends on the organ being examined and the type of problem. Talk to your provider if you have any questions or concerns.</p><p>An abdominal ultrasound can indicate conditions such as:</p><ul><li><a test="test" href="./000162.htm">Abdominal aortic aneurysm</a></li><li><a test="test" href="./001353.htm">Abscess</a></li><li><a test="test" href="./000256.htm">Appendicitis</a></li><li><a test="test" href="./000217.htm">Cholecystitis</a></li><li><a test="test" href="./000273.htm">Gallstones</a></li><li><a test="test" href="./000506.htm">Hydronephrosis</a></li><li><a test="test" href="./000458.htm">Kidney stones</a></li><li>Pancreatitis (inflammation in pancreas)</li><li>Spleen enlargement (<a test="test" href="./003276.htm">splenomegaly</a>)</li><li>Portal hypertension</li><li>Liver tumors</li><li>Obstruction of bile ducts</li><li><a test="test" href="./000255.htm">Cirrhosis</a></li></ul></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Risks</h2></div><div class="section-button"><button type="submit" aria-controls="section-7" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-7"><p>There is no known risk. You are not exposed to ionizing radiation. </p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Alternative Names</h2></div><div class="section-button"><button type="submit" aria-controls="section-Alt" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-Alt"><p>Ultrasound - abdomen; Abdominal sonogram; Right upper quadrant sonogram</p></div></div></section><section><div class="section sec-mb"><div class="section-header"><div class="section-title"><h2>Images</h2></div><div class="section-button"><button type="submit" aria-controls="section-tnails" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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<li><img src="//medlineplus.gov/ency/images/ency/tnails/1058t.jpg" alt="Abdominal ultrasound" title="Abdominal ultrasound" class="side-img"/><a href="../imagepages/1058.htm">Abdominal ultrasound</a></li>
<li><img src="//medlineplus.gov/ency/images/ency/tnails/1090t.jpg" alt="Digestive system" title="Digestive system" class="side-img"/><a href="../imagepages/1090.htm">Digestive system</a></li>
<li><img src="//medlineplus.gov/ency/images/ency/tnails/1101t.jpg" alt="Kidney anatomy" title="Kidney anatomy" class="side-img"/><a href="../imagepages/1101.htm">Kidney anatomy</a></li>
<li><img src="//medlineplus.gov/ency/images/ency/tnails/1704t.jpg" alt="Kidney - blood and urine flow" title="Kidney - blood and urine flow" class="side-img"/><a href="../imagepages/1704.htm">Kidney - blood and urine flow</a></li>
<li><img src="//medlineplus.gov/ency/images/ency/tnails/8607t.jpg" alt="Abdominal ultrasound" title="Abdominal ultrasound" class="side-img"/><a href="../imagepages/8607.htm">Abdominal ultrasound</a></li>
</ul></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>References</h2></div><div class="section-button"><button type="submit" aria-controls="section-Ref" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-Ref"><p>Barnett CF, Sweeney DA, Huddleston LL. Ultrasonography: advanced applications and procedures. In: Broaddus VC, Ernst JD, King TE, et al, eds. <em>Murray and Nadel's Textbook of Respiratory Medicine</em>. 7th ed. Philadelphia, PA: Elsevier; 2022:chap 24.</p><p>Chen L. Abdominal ultrasound imaging: anatomy, physics, instrumentation, and technique. In: Sahani DV, Samir AE, eds. <em>Abdominal Imaging</em>. 2nd ed. Philadelphia, PA: Elsevier; 2017:chap 3.</p><p>Levine MS, Gore RM. Diagnostic imaging procedures in gastroenterology. In: Goldman L, Schafer AI, eds. <em>Goldman-Cecil Medicine</em>. 26th ed. Philadelphia, PA: Elsevier; 2020:chap 124.</p><p>Nickels LC, Duran-Gehring P. Emergency ultrasound. In: Walls RM, ed. <em>Rosen's Emergency Medicine: Concepts and Clinical Practice</em>. 10th ed. Philadelphia, PA: Elsevier; 2023:chap e3.</p><p>Wilson SR. The gastrointestinal tract. In: Rumack CM, Levine D, eds. <em>Diagnostic Ultrasound</em>. 5th ed. Philadelphia, PA: Elsevier; 2018:chap 8.</p></div></div></section>
<section><div class="section"><div class="section-header"><div class="section-title"><h2>Review Date 7/5/2022</h2></div><div class="section-button"><button type="submit" aria-controls="section-version" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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<div id="section-version" class="section-body"><p>Updated by: Jason Levy, MD, FSIR, Northside Radiology Associates, Atlanta, GA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.</p>
</div></div></section><section><div class="section ency-citation"><div class="section-header"><div class="section-title ency-citation"><div id="citation-how-to"><button><span>Learn how to cite this page</span></button></div></div><div class="sm-live-area hide-offscreen" aria-live="polite">
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</div></div><div name="Related MedlinePlus Health Topics" class="section-body" id="section-mtp"><ul class="side-nav"><li><a href="https://medlineplus.gov/abdominalpain.html">Abdominal Pain</a></li>
<li><a href="https://medlineplus.gov/aorticaneurysm.html">Aortic Aneurysm</a></li>
<li><a href="https://medlineplus.gov/appendicitis.html">Appendicitis</a></li>
<li><a href="https://medlineplus.gov/gallbladderdiseases.html">Gallbladder Diseases</a></li>
<li><a href="https://medlineplus.gov/gallstones.html">Gallstones</a></li>
<li><a href="https://medlineplus.gov/hernia.html">Hernia</a></li>
<li><a href="https://medlineplus.gov/kidneystones.html">Kidney Stones</a></li>
<li><a href="https://medlineplus.gov/liverdiseases.html">Liver Diseases</a></li>
<li><a href="https://medlineplus.gov/pancreaticdiseases.html">Pancreatic Diseases</a></li>
<li><a href="https://medlineplus.gov/pancreatitis.html">Pancreatitis</a></li>
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