this post was submitted on 19 Apr 2024
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Also doctors: ..... we're not using an x-ray ... Instead we're giving you a CT scan, which will give you 50 to 70 times more radiation exposure than one x-ray.
Which isn't very much
It kind of helps to have a 3D image sometimes, especially if you can use radiation-shielding or radioactive substances to contrast veins or organs. They are rarely used for bones of course.
From a comment above "a chest X-ray is about 0.02 mSv where your annual dose from background is about 2.4mSv, but this easily can be twice this if you live at high altitude or in an area with a higher level of radioactive minerals"
So you get a choice between half the radiation from existing on Earth for a year, and a high tech diagnostic image, or... die from whatever disease you might have?
If the medical outcome from better planning due to having the higher resolution image increases your survival chances enough then it compensates for the radiation exposure.
Like say, the medical outcome of bleeding out internally vs being saved because the scan showed the doctors where the bleeding is.
Being a radiation free corpse doesn't sound great to me
https://www.health.harvard.edu/cancer/radiation-risk-from-medical-imaging