balloonseptostomy bal·loon·sep·tos·to·my (bə-l&oomacr;n'sěp-tŏs'tə-mē)
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.
|a chattering or flighty, light-headed person.|
|a gadget; dingus; thingumbob.|
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