CT Scan(CAT Scan, Computerized Axial Tomography)

CT scanners first began to be installed in 1974. CT scanners have vastly improved patient comfort because a scan can be done quickly. Improvements have led to higher-resolution images, which assist the doctor in making a diagnosis. For example, the CT scan can help doctors to visualize small nodules or tumors, which they cannot see with a plain film X-ray.

A CT scan uses a large machine shaped like a large donut to take x-rays from many angles. A computer then takes the x-rays and creates many detailed pictures of the inside of your body. Each picture looks like a slice taken from one part of your body. The computer can also create a 3-D image of the inside of your body.

It usually takes between 1 and 2 weeks for you to get your CT scan results. The images need to be looked at by a specialist called a radiologist.

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Computed Tomography

CT scan or CAT scan: How does it work?

Next, the table will move quickly through the scanner to determine the correct starting position for the scans. Then, the table will move slowly through the machine for the actual CT scan. Depending on the type of CT scan, the machine may make several passes.

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What does the CT equipment look like?

The reaction to the contrast is almost always immediate, so it is very rare to have a reaction after the patient leaves the facility. However, if a patient thinks they are having a delayed reaction to the contrast, they should call the facility where they had the exam.

A CT scan exposes you to more radiation than a plain x-ray X-Rays An x-ray is an imaging test that takes a picture of the inside of your body. It uses a low dose of x-ray radiation. X-rays show body parts according to how dense (solid) they are. Doctors usually. read more . For example, a CT of the abdomen uses about 300 to 400 times the amount of radiation used for a single-view x-ray of the chest. Doctors try to limit the total amount of radiation you’re exposed to over your lifetime. Too much radiation can raise your chance of getting cancer.

A radiologist, a doctor specially trained to supervise and interpret radiology exams, will analyze the images. The radiologist will send an official report to the doctor who ordered the exam.

CT Scan(CAT Scan, Computerized Axial Tomography)

The doctor should talk to you about your results and explain what happens next.

Ask to talk to a healthcare professional if you have questions about your results, or do not understand them.

Tell your doctor if there’s a possibility you are pregnant and discuss any recent illnesses, medical conditions, medications you’re taking, and allergies. You will be instructed not to eat or drink anything for a few hours beforehand. If you have a known allergy to contrast material, your doctor may prescribe medications to reduce the risk of an allergic reaction. Leave jewelry at home and wear loose, comfortable clothing. You may be asked to wear a gown.

Body CT

CT Scan

Talk to a GP or doctor at the hospital if you’re feeling anxious about having a CT scan or have a fear of small spaces (claustrophobia). They may be able to give you a medicine to help you relax.

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What are the limitations of body CT scanning?

Using specialized equipment and expertise to create and interpret CT scans of the body, top of page

You can also ask if you can bring someone to support you during the CT scan.

Computed tomography (CT) of the body uses sophisticated x-ray technology to help detect a variety of diseases and conditions. CT scanning is fast, painless, noninvasive and accurate. In emergency cases, it can reveal internal injuries and bleeding quickly enough to help save lives.

CT scan

CT Scan

For pregnant women and children, doctors try to use other tests unless CT is the best way to find a dangerous health problem.

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During the scan

CT scans are good at showing details of organs and other tissues in your brain, head, neck, chest, and belly

Complications of a CT scan are rare. Some people can have an allergic reaction to the contrast medium (dye). This can cause weakness, sweating and difficulty breathing.

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