Lev's syndrome



A condition in which bundle-branch block occurs but the myocardium and coronary arteries are normal and in which there is fibrosis or calcification of the cardiac conducting system, involving the membranous septum, the apex of the muscular septum, and the mitral and aortic rings of the heart.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.