An echocardiogram (echo) is a heart test that is used to diagnose heart disease and evaluate heart function. There are several types of echocardiograms that may be done for various reasons. The different types require different preparation. Follow the links below to find WebMD's comprehensive coverage about how each type of echocardiogram is done, why it is done, and much more.
Heart Disease and the Echocardiogram
WebMD looks at how various types of echocardiograms can help diagnose heart disease.
Heart Failure and the Echocardiogram
Learn more about echocardiograms and how they're used in the diagnosis of heart failure.
Exercise Stress Test With Diabetes
If you have diabetes, here’s how to prepare for an exercise stress test if your doctor has recommended one to check for heart disease.
Tests for Diagnosing Heart Disease
WebMD's list of tests used to diagnose heart disease.