Is the CT equipment in Jiaxing No. 2 Hospital advanced? Is it harmful to do a lung CT here?
The first time is to sweep a localized image, the second is a whole body scan. The first time is equivalent to a chest X-ray, know where your lungs, radiation is not big. The second time is equivalent to a layer of slices, this radiation measurement is very big. It mainly depends on the machine and the sequence used in the hospital. Nowadays, medical checkups use low-dose ones. It's best not to do CT more than twice a year, and don't prepare for pregnancy or get pregnant within six months of doing it.