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<link rel="alternative" hreflang="en" href="https://medlineplus.gov/ency/article/003822.htm"/><meta property="og:title" content="Nuclear ventriculography: MedlinePlus Medical Encyclopedia"/><meta property="og:url" content="https://medlineplus.gov/ency/article/003822.htm"/><meta property="twitter:title" content="Nuclear ventriculography: MedlinePlus Medical Encyclopedia"/><meta name="twitter:card" content="summary_large_image"/><meta name="description" content="Nuclear ventriculography is a test that uses radioactive materials called tracers to show the heart chambers. The procedure is noninvasive. The instruments do not directly touch the heart."/><meta itemprop="description" name="description" content="Nuclear ventriculography is a test that uses radioactive materials called tracers to show the heart chambers. The procedure is noninvasive. The instruments do not directly touch the heart."/><meta property="og:description" content="Nuclear ventriculography is a test that uses radioactive materials called tracers to show the heart chambers. The procedure is noninvasive. The instruments do not directly touch the heart."/><meta property="twitter:description" content="Nuclear ventriculography is a test that uses radioactive materials called tracers to show the heart chambers. The procedure is noninvasive. The instruments do not directly touch the heart."/><meta property="og:image" content="https://medlineplus.gov/images/share_ency_1.jpg"/><meta property="og:image" content="https://medlineplus.gov/images/share_ency_2.jpg"/><meta property="og:image" content="https://medlineplus.gov/images/share_ency_3.jpg"/><meta property="twitter:image" content="https://medlineplus.gov/images/share_ency_1.jpg"/>
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</div><div><span>Nuclear ventriculography</span></div></div>
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<article><div id="d-article"><div class="page-info"><div class="page-title"><a name="start" id="start">
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</a><h1 class="with-also" itemprop="name">Nuclear ventriculography</h1>
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</noscript></div><div class="main"><div id="ency_summary"><p>Nuclear ventriculography is a test that uses radioactive materials called tracers to show the heart chambers. The procedure is <a test="test" href="./002269.htm">noninvasive</a>. The instruments do not directly touch the heart.</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>The test is done while you are resting.</p><p>The health care provider will inject a small amount of radioactive material called technetium into your vein. This substance attaches to red blood cells and passes through the heart.</p><p>The red blood cells inside the heart that carry the material form an image that a special camera can pick up. These scanners trace the substance as it moves through the heart area. The camera is timed with an <a test="test" href="./003868.htm">electrocardiogram</a>. A computer then processes the images to make it appear as if the heart is moving. </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>You may be told not to eat or drink for several hours before the test.</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>You may feel a brief sting or pinch when the IV is inserted into your vein. Most often, a vein in the arm is used. You may have trouble staying still during the test.</p><img title="MUGA test" alt="MUGA test" src="//medlineplus.gov/ency/images/ency/fullsize/9675.jpg" class="img-e" itemprop="image"/></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>The test will show how well the blood is pumping through different parts of the heart.</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>Normal results show that the heart squeezing function is normal. The test can check the overall squeezing strength of the heart (ejection fraction). A normal value is above 50% to 55%.</p><p>The test also can check the motion of different parts of the heart. If one part of the heart is moving poorly while the others move well, it may mean that there has been damage to that part of the heart. </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>Abnormal results may be due to:</p><ul><li>Blockages in the coronary arteries (<a test="test" href="./007115.htm">coronary artery disease</a>)
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</li><li>Heart valve disease</li><li>Other cardiac disorders that weaken the heart muscle (reduced pumping function)</li><li>Past heart attack (<a test="test" href="./000195.htm">myocardial infarction</a>)</li></ul><p>The test may also be performed for:</p><ul><li><a test="test" href="./000168.htm">Dilated cardiomyopathy</a></li><li><a test="test" href="./000158.htm">Heart failure</a></li><li>Idiopathic cardiomyopathy</li><li><a test="test" href="./000188.htm">Peripartum cardiomyopathy</a></li><li>Ischemic cardiomyopathy</li><li>Testing whether a medicine has affected heart function </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>Nuclear imaging tests carry a very low risk. Exposure to the radioisotope delivers a small amount of radiation. This amount is safe for people who do not have nuclear imaging tests often.</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>Cardiac blood pooling imaging; Heart scan - nuclear; Radionuclide ventriculography (RNV); Multiple gate acquisition scan (MUGA); Nuclear cardiology; Cardiomyopathy - nuclear ventriculography</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/1097t.jpg" alt="Heart - front view" title="Heart - front view" class="side-img"/><a href="../imagepages/1097.htm">Heart - front view</a></li>
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<li><img src="//medlineplus.gov/ency/images/ency/tnails/9675t.jpg" alt="MUGA test" title="MUGA test" class="side-img"/><a href="../imagepages/9675.htm">MUGA test</a></li>
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</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>Bogaert J, Symons R. Ischaemic heart disease. In: Adam A, Dixon AK, Gillard JH, Schaefer-Prokop CM, eds. <em>Grainger & Allison's Diagnostic Radiology: A Textbook of Medical Imaging</em>. 7th ed. Philadelphia, PA: Elsevier; 2021:chap 15.</p><p>Dorbala S, Di Carli MF. Nuclear cardiology. In: Libby P, Bonow RO, Mann DL, Tomaselli GF, Bhatt DL, Solomon SD, eds. <em>Braunwald's Heart Disease: A Textbook of Cardiovascular Medicine</em>. 12th ed. Philadelphia, PA: Elsevier; 2022:chap 18.</p><p>Kramer CM, Dilsizian V, Hagspiel KD. Noninvasive cardiac imaging. In: Goldman L, Cooney KA, eds. <em>Goldman-Cecil Medicine</em>. 27th ed. Philadelphia, PA: Elsevier; 2024:chap 44.</p><p>Mettler FA, Guiberteau MJ. Cardiovascular system. In: Mettler FA, Guiberteau MJ, eds. <em>Essentials of Nuclear Medicine and Molecular Imaging</em>. 7th ed. Philadelphia, PA: Elsevier; 2019:chap 5.</p></div></div></section>
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<section><div class="section"><div class="section-header"><div class="section-title"><h2>Review Date 5/8/2024</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: Thomas S. Metkus, MD, Assistant Professor of Medicine and Surgery, Johns Hopkins University School of Medicine, Baltimore, MD. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.</p>
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