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核素心肌灌注显像检查,就是从静脉打一针能被心肌细胞吸收的显像剂,显像剂在心肌各部位的分布量直接反映了该部位的心肌供血状况,如果冠脉局部有狭窄,显像剂就不能到达冠状动脉供血的心肌部位。
Radionuclide myocardial perfusion imaging examination is a shot from the vein can be absorbed by the myocardial cells of the imaging agent distribution of imaging agents in various parts of the myocardium directly reflects the location of myocardial blood supply, if the coronary stenosis , The imaging agent can not reach the myocardial site of coronary artery blood supply.