Methods The mobile X-ray system and computer radiography were used to take the bedside radiogram, and the high resolution portrait special monitor were used for display and analysis of the images.

• 方法应用移动式X光机和计算机摄影(computedradiography,cr)进行床旁投照,高分辨率肖像型专业显示器进行图像显示和分析。