LeftposterioraorticsinusLeftmainartery(LM)--1-2cmLeftposterioraorticsinusLeftmainartery(LM)--1-2cmcoronaryanatomyCa-XMSCTfreaturesofplaques(ModifiedAHAcalcification)Coronarycalcification冠狀動脈鈣化評分Areaofplaque×weightingfactor=Lesionscore∑Lesionscores=Vesselsscore∑Vesselsscores=Totalcalciumscore(AgatstonScore)”冠狀動脈鈣化評分”(theAgatstonCalciumScore)之說明冠狀動脈鈣化Intermediate(1)Calciumscore<80Lowerrisk(2)Calciumscore>80HigherriskElectricalActivationoftheHeart“3D”ImageDataVascularEnhancementPatientSelectionmotionartifactsPatienteducation1.Breathholding2.CMburningsensationcoronaryanomalycoronaryanomalyCABGCABGCABG(Blooming)BeanhardeningResolution