基本信息
文件名称:IVUS血管内超声基础和临床.ppt
文件大小:9.08 MB
总页数:58 页
更新时间:2025-07-03
总字数:约1.44万字
文档摘要

IVUS血管内超声基础和临床

IVUS培训

血管内超声基础和进展一、血管内超声基础二、血管内超声和冠脉造影旳关系三、主要适应症四、什么是VHIVUS培训

RotatingElementDriveShaftMulti-elementArrayTheCardiovascular

ResearchFoundationLenoxHillHeartandVascular

InstituteofNewYorkTherearetwotypesofimagingsystems:Mechanical(rotatingtransducer)andElectronicArrayIVUS培训

HighfrequencysoundwavesechooffvesselwallsandaresentbacktosystemSystemelectronicsprocessthesignalTheCardiovascular

ResearchFoundationLenoxHillHeartandVascular

InstituteofNewYorkIVUS培训

ALA=AxialResolutionL=LateralResolutionTheCardiovascular

ResearchFoundationLenoxHillHeartandVascular

InstituteofNewYorkIVUS培训

LowdynamicrangeHighdynamicrangeTheCardiovascular

ResearchFoundationLenoxHillHeartandVascular

InstituteofNewYorkIVUS培训

Intimaldisease(plaque)isdenseandwillappear‘white’Mediaismadeofhomogeneoussmoothmusclecellsanddoesnotreflectultrasound(appearsdark)Adventitiahas‘sheets’ofcollagenthatreflectalotofultrasound(appearswhite)TheCardiovascular

ResearchFoundationLenoxHillHeartandVascular

InstituteofNewYorkIVUS培训

TheCardiovascular

ResearchFoundationLenoxHillHeartandVascular

InstituteofNewYorkIVUS培训