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Definition of Echocardiography
1. Noun. A noninvasive diagnostic procedure that uses ultrasound to study to structure and motions of the heart.
Medical Definition of Echocardiography
1. Echocardiography is a diagnostic test which uses ultrasound waves to make images of the heart chambers, valves and surrounding structures. It can measure cardiac output and is a sensitive test for inflammation around the heart (pericarditis). It can also be used to detect abnormal anatomy or infections of the heart valves. (12 Dec 1998)