Balloonseptostomy

Medical Dictionary

balloonseptostomy bal·loon·sep·tos·to·my (bə-lōōn'sěp-tŏs'tə-mē)
n.
The surgical creation of an artificial interatrial septal defect by cardiac catheterization during which an inflated balloon is pulled across the interatrial septum through the oval 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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