Is the video taken by ct a video?

No, what we often call filming is X-ray examination. The films taken are just flat images, that is, the structures in the front and back overlap on one plane. If you want to distinguish the front and back structures, you need to take another side photo to distinguish. CT examination is X-ray computed tomography. It is a cross-sectional scan and is also an examination method of X-ray film. It is just a special examination method of X-ray examination. It is just a cross-section. The front, rear, left and right structures are on the same level. can be distinguished, and the resolution is even higher.