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What is a heart echo test?

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Quick Answer

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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What is a heart echo test?
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Full Answer

Echocardiography tests utilize ultrasound technology to view a patient's heart, states the National Institutes of Health. A doctor or a sonographer may apply lubricated gel to a patient's chest and then place an ultrasound transducer onto his skin. The transducer is moved across the patient's skin to view different angles of the heart.

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