CT scans, or CT scans, are an imaging test that uses x-rays to generate images of the body that are processed by a computer, which can be bones, organs, or tissues. This test doesn’t cause pain, and everyone can do it, however, pregnant women should preferably perform other tests as an alternative to CT scans, such as ultrasound or MRI, as radiation exposure is more important than CT.
CT can be done with or without the use of a contrast product, which is a type of fluid that can be swallowed, injected into the vein, or inserted into the rectum during the exam to make it easier to see certain parts of the body.
- The price of CT ranges from R$200 to R$700.
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- But this review is available on the SUS at no cost.
- You don’t have the proper advice.
CT scans can diagnose muscle and bone diseases, identify the location of a tumor, infection or clot, and detect and monitor diseases and injuries. The main types of CT scans are:
Typically, CT scans of the skull, chest and abdomen are performed in contrast so that there is a better visualization of the structures and it is possible to easily distinguish the different types of tissues.
CT scans are generally not the first choice for diagnostic examination, as radiation is used to generate images. Most of the time, the doctor recommends, depending on the location of the body, other tests such as an X-ray, for example.
Before the CT scan, it is important to fast according to your doctor’s advice, which can last 4 to 6 hours, so that the contrast is better absorbed, in addition it is important to discontinue the use of the drug metformin, if used, 24 hours before and 48 hours after the test, as a reaction with the contrast product may occur.
During the exam, the person is lying on a table and enters a kind of tunnel, the CT scan, for 15 minutes, this test does not hurt and does not cause distress, since the equipment is open.
CT scans are a widely used test to help diagnose various diseases because they allow the evaluation of sections (parts) of the body, providing clearer images and promoting the distinction of different tissues. examination of choice for the investigation of brain or lung nodules or tumors.
The disadvantage of the scanner is the fact that the test is performed by radiation emission, the x-ray, which although not present in large amounts, can have adverse health effects when the person is constantly exposed to this type of radiation. , depending on the purpose of the test, your doctor may recommend the use of a contrast product, which may present certain risks depending on the person, such as allergic reactions or toxic effects on the body. See what the potential risks of contrast testing are. .