4 ms·
Perhaps it varies wildly between countries. I've never heard of anyone I know having a CT scan, but I know of 3 MRI scans.
by IsTom 13y ago
Perhaps it varies wildly between countries. I've never heard of anyone I know having a CT scan, but I know of 3 MRI scans.
- gus_massa 13y agoMRI is very different from CT. CT use X-rays, which is an ionizing radiation. MRI uses a very strong magnetic field, and as far as we know it doesn’t increase the cancer rates. The final images are quite similar in appearance (semi transparent films with a black background), but the underlying process is very different.
- seestheday 13y agoI've lived in both the us and Canada. I noticed that mri and CT scan scans were really easy to get done in the us, but would often require a month or more of waiting in Canada for non Urgent issues. I wonder how much the overuse contributes to differences in health care costs between countries?