cardiothoracic ratio

cardiothoracic ratio definition - medical

cardiothoracic ratio

noun
The transverse diameter of the heart, as determined by x-ray examination, compared with that of the thoracic cage, used to help determine enlargement of the heart.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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