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ventricular septal defect

ventricular septal defect in Medicine

ventricular septal defect n.
A congenital defect in the septum between the cardiac ventricles, usually resulting from failure of the spiral septum to close the interventricular foramen.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Encyclopedia Article for ventricular septal defect

opening in the partition between the two ventricles, or lower chambers, of the heart. Such defects are congenital and may be accompanied by other congenital defects of the heart, most commonly pulmonary stenosis.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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