Health Library

The Health Library is a collection of health and wellness resources created for learning and accessibility. Select a topic below for related health information or search for a topic in the search bar for more information on other medical conditions.

Computed Tomography (CT) Scan

  • Learn what to expect when your child gets a CT scan.

  • Learn what to expect when you get a CT scan.

  • A computed tomography angiogram (CT angiogram) is a test that uses X-rays to provide detailed pictures of the heart and the blood vessels that go to the heart, lung, brain, kidneys, head, neck, legs, and arms. This test can show narrowed or blocked areas of a blood vessel. It can also show whether there is a bulge (...

  • A computed tomography (CT) scan uses X-rays to make detailed pictures of structures inside of the body. During the test, you will lie on a table that is attached to the CT scanner, which is a large doughnut-shaped machine. The CT scanner sends X-rays through the body area being studied. Each rotation of the scanner...

  • Screening tests help your doctor look for a problem before you have symptoms. Lung cancer screening is a way to find some lung cancers early, when a cure is more likely and when cancer is more treatable. If your doctor recommends lung cancer screening, you'll have a low-dose CT scan of your chest once a year. A special...

  • Guides people who are at high risk for lung cancer through the decision on whether to have an annual low-dose CT screening. Discusses the benefits and risks of having screening and the risk for getting lung cancer. Includes an interactive tool to help you decide.

  • Screening tests help your doctor look for a problem before you have symptoms. This increases your chances of finding the problem early, when it's more treatable. Studies don't show that routine screening for lung cancer is right for most people. But it may help those who have the highest risk for lung cancer—people...

  • After you have had a seizure, it can be difficult to predict whether you will have more seizures. This makes it hard to decide whether to begin treatment for epilepsy. The first seizure you report may not actually be the first seizure you've had....

  • Guides you through the decision to have imaging tests to evaluate your headaches. Looks at the types of imaging tests used, including CT scan and MRI. Includes interactive tool to help you make your decision.

  • A computed tomography (CT) scan uses X-rays to make pictures of the head and face. During the test, you will lie on a table that is attached to the CT scanner, which is a large doughnut-shaped machine. Your head will be positioned inside the scanner. The CT scanner sends X-rays through the head. Each rotation of the...

  • A computed tomography (CT) scan uses X-rays to make pictures of the head and face. During the test, you will lie on a table that is attached to the CT scanner, which is a large doughnut-shaped machine. Your head will be positioned inside the scanner. The CT scanner sends X-rays through the head. Each rotation of the...

  • Learn why X-rays, CT scans, and MRIs may not find the cause of your low back pain.

  • A CT scan uses X-rays to make detailed pictures of the spine and vertebrae. During the test, you will lie on a table that is attached to the CT scanner, which is a large doughnut-shaped machine. The CT scanner sends X-rays through the body. Each rotation of the scanner takes a second and provides a picture of a thin...

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