Riverdale, Iowa - Overview: 2000 Census: Counts: Percentages: Total Population: Total Population: 656: 100.00% : Population by Race: Asian alone: 1: 0.15%: Black or African American alone: 4: 0.61%: Some other race alone: 3: 0.46%: Two or more races: 6: 0.91%: White alone: 642: 97.87% : Population by Hispanic or Latino Origin (of any race) Persons Not of Hispanic or Latino Origin: 641: 97.71%
balloon angioplasty. [bÉloÌoÌnâ²]. a method of dilating or opening an obstructed blood vessel by threading a small, balloon-tipped catheter into the vessel. The balloon is inflated to compress arteriosclerotic lesions against the walls of the vessel, leaving a larger lumen, through which blood can pass.
In an angioplasty procedure, imaging techniques are used to guide a balloon-tipped catheter, a long, thin plastic tube, into an artery or vein and advance it to where the vessel is narrow or blocked.