What Is a Heart Echo Test?

By Staff WriterLast Updated Mar 26, 2020 12:48:02 PM ET
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A heart echo test, or echocardiography exam, is a painless test that examines the structure and function of the heart, according to the National Institutes of Health. This test may involve the injection of saline or a specific dye into the patient's veins to showcase his heart more easily.

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