An echocardiogram (echo) is a test that uses high-frequency sound waves to create pictures of your heart’s chambers, valves, walls and the blood vessels (aorta, arteries, veins) attached to your heart.
A probe called a transducer is passed over your chest. The probe produces sound waves that bounce off your heart and “echo” back to the probe. These waves are changed into pictures viewed on a video monitor.
It is a completely harmless test. It doesn’t hurt and has no side effects.
This test helps the doctor determine: