眩晕和后循环缺血课件

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,眩晕与后循环缺血,Vertigo on Posterior Circulation,schemia (PcD),(专家共识),眩晕与后循环缺血,1,误区:,头晕/眩晕,椎基底动脉供血,不足(VB,颈椎病,误区:,2,大脑前动,cerebral,首交通动脉,大脑中动脉,arery,cerebral,后交通动脉,Circke of Wilis,carotid,骨下动时,动脉狭窄多发部位,大脑前动,3,背景( Background),后循环( posterior cerebral circulation),又称椎基底动脉系统,由椎动脉,基底动,脉和大脑后动脉组成。主要供血给脑干,小脑,丘脑,海马,枕叶和部分颞叶及脊,髓,背景( Background),4,后循环缺血( posterior circulation,ischemia Pc)是常见的缺血性脑血管病,约占缺血性卒中的20%,后循环缺血( posterior circulation,5,眩晕和后循环缺血课件,6,眩晕和后循环缺血课件,7,眩晕和后循环缺血课件,8,眩晕和后循环缺血课件,9,眩晕和后循环缺血课件,10,眩晕和后循环缺血课件,11,眩晕和后循环缺血课件,12,眩晕和后循环缺血课件,13,眩晕和后循环缺血课件,14,眩晕和后循环缺血课件,15,眩晕和后循环缺血课件,16,眩晕和后循环缺血课件,17,眩晕和后循环缺血课件,18,眩晕和后循环缺血课件,19,眩晕和后循环缺血课件,20,眩晕和后循环缺血课件,21,眩晕和后循环缺血课件,22,眩晕和后循环缺血课件,23,眩晕和后循环缺血课件,24,眩晕和后循环缺血课件,25,眩晕和后循环缺血课件,26,眩晕和后循环缺血课件,27,眩晕和后循环缺血课件,28,眩晕和后循环缺血课件,29,眩晕和后循环缺血课件,30,眩晕和后循环缺血课件,31,眩晕和后循环缺血课件,32,眩晕和后循环缺血课件,33,眩晕和后循环缺血课件,34,眩晕和后循环缺血课件,35,眩晕和后循环缺血课件,36,眩晕和后循环缺血课件,37,眩晕和后循环缺血课件,38,眩晕和后循环缺血课件,39,眩晕和后循环缺血课件,40,眩晕和后循环缺血课件,41,眩晕和后循环缺血课件,42,眩晕和后循环缺血课件,43,眩晕和后循环缺血课件,44,眩晕和后循环缺血课件,45,眩晕和后循环缺血课件,46,眩晕和后循环缺血课件,47,