EchocardiogramBy Mayo Clinic staff
Original Article: http://www.mayoclinic.com/health/medical/IM04430
An echocardiogram checks how your heart's chambers and valves are pumping blood through your heart. An echocardiogram uses electrodes to check your heart rhythm and ultrasound technology to see how blood moves through your heart. An echocardiogram can help your doctor diagnose heart conditions.