在日常卫生防疫工作中 ,常规体检是一个非常重要的工作环节 ,而体检项目中 ,Ｘ射线胸部透视又是其中重要一项。近年来 ,随着人们对Ｘ射线的不断认识 ,Ｘ射线使用的正当化与最优化的原则日益受到重视。为了保障受检者的健康和更加合理地使用Ｘ射线 ,现将我 (市 )站 2 0 0 0年胸 In the daily health and epidemic prevention work, routine physical examination is a very important part of the work, and physical examination project, X-ray chest is another important one. In recent years, along with people’s continuous understanding of X-ray, the principle of using X-ray to justify and optimize has been paid more and more attention. In order to protect the health of the subjects and to use X-rays more reasonably,