Echocardiography is a noninvasive method for studying the motion and internal vessels of the heart. This method uses ultrasound beams, which are directed into the patient's chest by a transducer. The transducer uses the ultrasonic waves, which are directed back from the heart to form an image. An echocardiogram can show internal dimensions of the chambers, valve motion, blood flow, and the presence of increased pericardial fluid, blood clots, or tumors.
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What is echocardiography?
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