Skull CT is a test performed on a device that allows the diagnosis of various pathologies, such as the detection of a stroke, aneurysm, cancer, epilepsy, meningitis, among others.
Cranial TOM usually lasts about 5 minutes and does not cause pain, and preparation for the test is relatively simple.
- CT scans are an exam that helps your doctor diagnose certain conditions.
- Such as stroke.
- Aneurys.
- Cancer.
- Alzheimer’s disease.
- Parkinson’s disease.
- Multiple sclerosis.
- Epilepsy.
- Meningitis.
- And more.
Learn about the main types of CT scans
The test is performed on a device, called a CT scanner, that is shaped like a ring and emits X-rays that pierce the skull and are captured by a scanner, which provides images of the head, which are then analyzed by the doctor..
To be examined, the person must undress and put on a blouse and remove all accessories and metal objects, such as jewelry, watches or hair tweezers, for example, then lie on his or her back on a table that will slide inside the device.During the exam, the person must remain motionless, so as not to interfere with the results, and at the same time, the images are processed and archived.In children, anesthesia may be necessary.
The test lasts approximately 5 minutes, however, if contrast is used, the duration is longer.
When the test is performed with a contrast product, the contrast product is injected directly into a vein in the hand or arm, this scan evaluates the vascular behavior of the analyzed structures, which serves to complement the initial titration that is performed.without contrast Know the risks of contrast testing.
Generally, to perform the test, you need to fast for at least 4 hours. People taking medications can continue treatment normally, with the exception of people taking metformin, who must stop treatment at least 24 hours before the test.
In addition, the physician should be informed if the person has kidney problems or is using a pacemaker or other implanted device.
Skull ct scan should not be done on people who are or are suspected of being pregnant.This should only be done if it is really necessary, due to the radiation emitted.
In addition, contrast tomography is contraindicated in people with contrast hypersensitivity or severe renal impairment.
In some cases, contrast products can cause side effects such as discomfort, indisposition, nausea, itching and redness.