What is Computed Tomography (CT) and how does it work?

Computed Tomography is a common diagnostic procedure that plays a vital role in medicine. How much do you know about them? Watch this video for detailed answers to some of CT FAQs: 0:00 What is Computed Tomography (CT)? 0:31 What are CT scans? 0:55 When are CT scans taken? 1:26 How do CT scans work? 2:25 Why is a contrast medium often used? 2:48 Who can have a scan? 3:14 How high is the radiation does? 3:38 What else can CT scans do?