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USC - University of Southern California Cardiothoracic Surgery at University of Southern California Keck School of Medicine
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Glossary of Terms

Electrocardiogram
The electrocardiogram (ECG) records the heart's electrical activity. Small pads called electrodes are placed on your chest, arms and legs, and are connected by wires to the ECG machine. Your heart's electrical impulses are translated into lines on a strip of moving paper, allowing doctors to determine the location, pattern, and rate of electrical impulses in the heart.

 

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