30 cases had 39 branches with stenosis,two main branches of the left coronary, 20 left descending arteries and branch. 9 left circumflex arteries,8 right coronary artery . VRT could visualize the curse of coronary artery in three dimensions directly.

• 有 3 0例 3 9支冠状动脉显示程度不同的狭窄 ,其中左主干病变 2支 ,左前降支及分支病变 2 0支 ,回旋支病变 9支 ,右冠状动脉病变 8支。