婴幼儿胸部投照技术在儿科X线检查中是很常用的方法,1张优质胸片能给临床提供可靠的诊断信息,而低劣胸片易引起误诊、漏诊。由于婴幼儿不合作,故给投照技术工作带来困难。笔者通过多年实践,结合文献资料,根据婴幼儿心理与生理特点,回顾总结认为,选择最佳曝光时机是获得优质婴幼 Infant chest projection technology in pediatric X-ray examination is a commonly used method, a high-quality chest X-ray can provide reliable clinical diagnostic information, and poor chest radiography can easily lead to misdiagnosis, missed diagnosis. Because infants and young children are not cooperative, they have caused difficulties in projecting technical work. The author through many years of practice, combined with the literature, according to the psychological characteristics of infants and young children, reviewed and concluded that the best time to choose exposure is to obtain high quality infant