HEALTH TOPICS 
Different types of echocardiography
Ask the doctor
Q. A friend recently had what his doctor called a "3D echocardiogram." How is that different from a standard echocardiogram?
A. All echocardiograms use high-frequency sound waves (ultrasound) to create still and video images of your heart. But there are two different procedures for getting the images and several variations of this common test, which doctors often refer to simply as an echo.
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