
A computed tomography (CT) scan is a series of x-rays taken from a variety of angles combined to recreate a three-dimensional image of the body. They capture both hard and soft tissue structures in a matter of minutes, making them an excellent resource for evaluating trauma injuries. However, they’re also helpful in diagnostic settings, with processes such as CT angiography allowing physicians to identify a broad range of issues.
CT angiography is a type of CT scanning that uses a contrast material or dye to produce brighter, clearer images of tissues and blood vessels. When you arrive at your CT appointment, a technologist will get you situated on an exam table and give you an IV, usually in your arm or hand. They’ll use the IV to administer the contrast material.
At this point, your body may feel warm, or you could get a metallic taste in your mouth — these are typical side effects of the injection and usually pass quickly. You’ll be directed to lie still on the exam table as the CT scanner moves around you. The machine may flash lights or make buzzing noises during the process. Most CT angiographies take only minutes to complete.
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