What Is an ECHO Test, and How Is It Performed?

By Staff WriterLast Updated Apr 2, 2020 7:48:00 PM ET

An echo test, or echocardiogram, is an ultrasound test used to view moving pictures of the heart on a screen, states WebMD. During this test, high-pitched sound waves are sent through a transducer, a device that picks up sound waves as they echo off the various parts of the heart.