Lacunar strokes account for about 20% of strokes, it is caused by a small arc: ions resulting from obstruction of small arterioles branching directly off large vessels in the brain

LACUNAR STROKE: "Lacunar Stroke is cause by a small arc and results in obstruction of the small arterioles."
Cite this page: Nugent, Pam M.S., "LACUNAR STROKE," in, May 11, 2013, (accessed December 13, 2018).