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冠状动脉造影已成为诊断冠状动脉粥样硬化性心脏病的常规检查手段，但在我省目前只有几家省级医院能常规开展，根据我院所进行的冠脉造影体会，报道造影过程中的一些特殊问题并进行再认识。１左主干短或缺如选择性冠脉造影时，由于左主干短而分支早，如果导管插入过深，可出现
Coronary angiography has become a routine diagnostic tool for the diagnosis of coronary atherosclerotic heart disease. However, only a few provincial-level hospitals in our province routinely carry out coronary angiography. According to the coronary angiography experience conducted by our institute, Some special problems and re-understanding. 1 Left main short or absent, such as selective coronary angiography, due to the left main short and branches early, if the catheter inserted too deep, can appear