Angioplasty is a procedure that can open blocked arteries.
This procedure cannot be done on a totally blocked carotid artery.
Medicine is given directly into the clogged artery through a catheter.
Embolization is a procedure used to close off an aneurysm.
Allina Health Patient Education, Understanding Stroke: Information about Stroke and Recovery, fourth edition, ISBN 1-931876-13-4
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