Pronunciation: (i-lek"trō-kär'dē-u-graf", -gräf"), [key]
n. Med.
a galvanometric device that detects and records the minute differences in electric potential caused by heart action and occurring between different parts of the body: used in the diagnosis of heart disease. Also called cardiograph.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

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