patent ductus arteriosus

patent ductus arteriosus definition - medical

pa·tent ductus ar·te·ri·o·sus (pātˈnt; är-tîrˌē-ōˈsəs)

noun Abbr. PDA
A congenital cardiac defect caused by failure of the ductus arteriosus to close at birth.

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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