An echocardiogram is a test that uses sound waves to create a moving picture of the heart. The picture is much more detailed than a plain x-ray image and involves no radiation exposure.

Echocardiogram

How the Test is Performed

A trained sonographer performs the test, then your heart doctor interprets the results. An instrument called a transducer that transmits high-frequency sound waves is placed on your ribs near the breast bone and directed toward the heart.

EchocardiogramEchocardiogram

Additional images will be taken underneath and slightly to the left of your nipple (at the apex of your heart). The transducer picks up the echoes of the sound waves and transmits them as electrical impulses. The echocardiography machine converts these impulses into moving pictures of the heart. The Doppler probe records the motion of the blood through the heart.

EchocardiogramAn echocardiogram allows doctors to see the heart beating, and to see many of the structures of the heart. Occasionally, your lungs, ribs, or body tissue may prevent the sound waves and echoes from providing a clear picture of heart function. If so, the sonographer may inject a small amount of liquid (contrast) through an IV to better see the inside of the heart.

Very rarely, more invasive testing using special echocardiography probes may be necessary.

 

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