coarctation n tight or narrow compression n (biology) a narrowing or constriction of a vessel or canal; especially a congenital narrowing of the aorta Synonym(s) constriction
News & Articles coarctation Mother of Four with Congenital Heart Defect & Biventricular Heart Failure Bridged to Transplant with the SynCardia ... TUCSON, Ariz., July 18, 2013 /PRNewswire/ -- Stacie Sumandig is no stranger to heart problems. Born with a congenital heart defect called coarctation of the aorta, a narrowing of the major artery that ... July 18, 2013 - PR Newswire via Yahoo! Finance