Objective Compare coronary calcium score(CCS)by multi-slice spiral CT(MSCT)and coronary angiography and function of evaluation calcium score at estimate coronary artery narrow inside.

• 目的:将多层螺旋CT冠状动脉钙化积分与冠状动脉造影比较,评估钙化积分在预测冠脉狭窄中的作用。