心脏冠状动脉螺旋CT成像时,必须加大扫描范围至锁骨下缘的是( )。...
Thursday, September 22, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022
Tuesday, September 20, 2022
Monday, August 8, 2022
数据采集的时间分辨力是心脏成像的关键,采集速度为( )。...
Thursday, September 22, 2022
单选题CT图像数据处理的方法不包括( )。A 减除空气值B 测定入射X线初始强度I0C 校正零点漂移值D 对扫描的总和进行检验和校正E 线性化...
Sunday, October 15, 2023
Thursday, September 22, 2022
Thursday, September 22, 2022
Monday, September 19, 2022
单选题对于一个部位的扫描,动态单层扫描较非螺旋扫描节约时间( )。A 约二分之一B 约三分之一C 约四分之一D 约五分之一E 约三分之二...
Wednesday, December 14, 2022
单选题肺部高分辨力扫描,一般选择( )。A 层厚1.0mm,螺距1.25B 层厚5mm,螺距0.5C 层厚1.0mm,螺距0.5D 层厚10mm,螺距1E 层厚5mm,螺距1...
Thursday, February 22, 2024
Thursday, September 22, 2022