A CT scan is a type of imaging test that uses X-rays and a computer to create detailed pictures of the inside of your body. CT scans can be used to detect abnormalities such as tumours, infections, or bone fractures. A CT scan uses X-rays, which produce a small amount of radiation. The amount of radiation you are exposed to during a CT scan is similar to the amount of radiation you are exposed to during a conventional X-ray exam. During a CT scan, a rotating X-ray beam is passed through your body. A computer converts the X-ray information into a detailed image of your body. You will lie down on a table that slides into a tunnel-like machine. CT scans are painless and take about 10 to 30 minutes. If you have claustrophobia, you may receive medicine to help you relax.
How to prepare for a CT scan?
You should wear comfortable clothing and avoid eating or drinking for at least four hours before your CT scan. You may be asked to drink contrast material or to receive an injection of contrast material before your scan. Contrast material helps to improve the quality of the images. how to prep for a CT scan in New Jersey show a 3-dimensional image of your body. They are more detailed than general X-rays. The pictures are created by a computer linked to an X-ray machine. A contrast dye may be injected into your veins, or you may swallow a contrast dye to help the organs or tissues show up more clearly. CT imaging of abdominal pain can be performed with or without oral or intravenous contrast material. The use of contrast material is often helpful in distinguishing pathologic processes within the abdomen and pelvis.
What to expect during a CT scan?
You will lie on a table while the CT scanner takes pictures of your body. The table will move through the CT scanner during the procedure. You may be asked to hold your breath for short periods of time. You will be asked to drink contrast material. It will help to highlight certain areas inside your body on the CT pictures. You may be asked to urinate before the contrast material is given to you. CT scans are painless, but you may have some discomfort from lying still for a long time.
Computed tomography (CT) scans take special X-ray equipment and put it on a computer to create cross-sectional images of the body. A CT scan shows more details than a traditional X-ray. CT scans are more accurate than X-rays in detecting early-stage lung cancer and small nodules.