Yes, a CT examination does little harm.
During the examination, the doses used for X-ray fluoroscopy and photography are very small, and they are all within the safe range. The radiation dose brought by a filming is equivalent to some of the amount that our human body takes in watching TV for an hour, and the dose for a chest X-ray is equivalent to 1.5 times that of a filming, which means that the damage caused by a chest X-ray is equivalent to smoking. The location of most CT rooms will have certain standard walls, doors and windows, which have strong protective functions.
Extended information:
When the patient's head is injured, brain CT is the most important imaging diagnosis method, which has a fast examination speed and a very high sensitivity to fresh bleeding, and can show edema in the brain and increased intracranial pressure, whether there are important lesions such as secondary cerebral hernia, and brain CT can also diagnose skull fractures.
At the same time, it can also show the number, location, density, size and outline of intracranial tumors, whether intracranial hemorrhage and calcification and the degree of diffusion. Brain CT can better distinguish the size, range and number of hematoma, and can check whether the adjacent brain tissue is compressed, whether there is chronic or acute intracranial hematoma, judge the absorption and reduction of intracranial injury, and show some sequelae such as brain atrophy, hydrocephalus and encephalomalacia.
People's Daily Online-Is a brain CT harmful to the body? You have to know?