Diagnostic imaging lets doctors look inside your body for clues about a medical condition. A variety of machines and techniques can create pictures of the structures and activities inside your body. The type of imaging your doctor uses depends on your symptoms and the part of your body being examined. They include
Many imaging tests are painless and easy. Some require you to stay still for a long time inside a machine. This can be uncomfortable. Certain tests involve exposure to a small amount of radiation.
For some imaging tests, doctors insert a tiny camera attached to a long, thin tube into your body. This tool is called a scope. The doctor moves it through a body passageway or opening to see inside a particular organ, such as your heart, lungs, or colon. These procedures often require anesthesia.
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- Keeping Kids Still during Exams (American Society of Radiologic Technologists) - PDF - In English and Spanish
- Overview of Imaging Tests (Merck & Co., Inc.)
- Radiation Exposure in X-Ray and CT Examinations (Radiological Society of North America, American College of Radiology) Available in Spanish
- Radiology and Children: Extra Care Required (Food and Drug Administration) - PDF
- Tracing the X-Ray Trail (American Society of Radiologic Technologists) - PDF
- What Parents Should Know about Medical Radiation Safety (Alliance for Radiation Safety in Pediatric Imaging) - PDF