眩晕和后循环缺血课件

眩晕与后循环缺血VertigoonPosteriorCirculationschemia(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arerycerebral后交通动脉CirckeofWiliscarotid骨下动时动脉狭窄多发部位大脑前动3背景(Background)后循环(posteriorcerebralcirculation)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(posteriorcirculationischemiaPc)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(posteriorcirculation5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眩晕与后循环缺血VertigoonPosteriorCirculationschemia(PcD)(专家共识)眩晕与后循环缺血48误区:头晕/眩晕≠椎基底动脉供血不足(VB≠颈椎病误区:49大脑前动cerebral首交通动脉大脑中动脉arerycerebral后交通动脉CirckeofWiliscarotid骨下动时动脉狭窄多发部位大脑前动50背景(Background)后循环(posteriorcerebralcirculation)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)51后循环缺血(posteriorcirculationischemiaPc)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(posteriorcirculation52眩晕和后循环缺血课件53眩晕和后循环缺血课件54眩晕和后循环缺血课件55眩晕和后循环缺血课件56眩晕和后循环缺血课件57眩晕和后循环缺血课件58眩晕和后循环缺血课件59眩晕和后循环缺血课件60眩晕和后循环缺血课件61眩晕和后循环缺血课件62眩晕和后循环缺血课件63眩晕和后循环缺血课件64眩晕和后循环缺血课件65眩晕和后循环缺血课件66眩晕和后循环缺血课件67眩晕和后循环缺血课件68眩晕和后循环缺血课件69眩晕和后循环缺血课件70眩晕和后循环缺血课件71眩晕和后循环缺血课件72眩晕和后循环缺血课件73眩晕和后循环缺血课件74眩晕和后循环缺血课件75眩晕和后循环缺血课件76眩晕和后循环缺血课件77眩晕和后循环缺血课件78眩晕和后循环缺血课件79眩晕和后循环缺血课件80眩晕和后循环缺血课件81眩晕和后循环缺血课件82眩晕和后循环缺血课件83眩晕和后循环缺血课件84眩晕和后循环缺血课件85眩晕和后循环缺血课件86眩晕和后循环缺血课件