electro-cardiogram

electrocardiogram

[ih-lek-troh-kahr-dee-uh-gram]
noun Medicine/Medical.
the graphic record produced by an electrocardiograph. Abbreviation: EKG, ECG
Also called cardiogram.


Origin:
1900–05; electro- + cardiogram

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World English Dictionary
electrocardiogram (ɪˌlɛktrəʊˈkɑːdɪəʊˌɡræm)
 
n
ECG a tracing of the electric currents that initiate the heartbeat, used to diagnose possible heart disorders

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Etymonline
Word Origin & History

electrocardiogram
1904, from electro- (see electric) + cardio- + -gram.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

electrocardiogram e·lec·tro·car·di·o·gram (ĭ-lěk'trō-kär'dē-ə-grām')
n.

Abbr. ECG, EKG The curve traced by an electrocardiograph. Also called cardiogram.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
electrocardiogram   (ĭ-lěk'trō-kär'dē-ə-grām')  Pronunciation Key 
A graphic recording of the electrical activity of the heart, used to evaluate cardiac function and to diagnose arrhythmias and other disorders. ◇ An electrocardiograph is the apparatus used to generate electrocardiograms. The machine functions as a portable set of galvanometers that measure electric potentials at different anatomic sites on the chest and extremities, and contains internal circuitry for computing calculations based on these measurements. Twelve electrodes act as transducers to pick up the electrical signals. Various combinations of signals from the electrodes can be selected for output, each of which provides information about electrical activity in the heart from a different anatomical perspective. For example, electrodes placed on the right arm, left leg and left arm record variations in potential in the frontal plane of the heart. The signals are converted to waveform tracings that are recorded and printed for diagnostic interpretation.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary
electrocardiogram (EKG) [(i-lek-troh-kahr-dee-uh- gram)]

A written recording of the electrical activity of the heart. Electrocardiograms are used to determine the condition of the heart and to diagnose heart disease.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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