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CT检查的相关知识有哪些?
CT检查是一种常见的医学检查手段,其原理、适用范围、检查前准备、检查过程及注意事项、检查后注意要点等都是需要了解的内容。 1. 原理:CT检查即电子计算机断层扫描,它利用精确准直的X线束、γ射线、超声波等,与灵敏度极高的探测器一同围绕人体的某一部位作一个接一个的断面扫描,具有扫描时间快,图像清晰等特点。 2.
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