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What is this test?
An echocardiogram is a test of heart structure and movement utilizing ultrasound (sound waves).
Why this test may be performed
An echocardiogram may be performed to evaluate the structure and function of the heart valves. It can be used to evaluate the size and pumping ability of the heart chambers. An echocardiogram is useful in detecting congenital heart defects and tumors within the heart chambers. It will also identify fluid buildup within the sac covering the heart (pericardium).
What this test involves
An echocardiogram can be performed in a doctor's office, cardiology suite or at the hospital bedside. The person is placed in a reclining or side lying position and the chest is exposed. Conductive gel is applied to the end of a transducer (a small cylinder device transmits and receives sound waves) and the transducer is positioned at various sites on the chest wall. The pictures of the heart that are obtained are recorded and displayed on a specialized screen and forwarded to a physician for interpretation. The entire test is completed in 30 to 90 minutes. It requires no special preparation or aftercare.
What are the risks/precautions for this test?
An electrocardiogram is a non-invasive test; it's painless and not associated with any risks to the patient.
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External Source
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American Heart Association
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This article was reviewed and updated June 2007.
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