An ultrasound scan is a painless procedure that uses sound waves to create images of organs and structures inside your body. It is a quicker and easier way to assess the organs, tissues and vessels when compared to other imaging methods such as CT and MRI for example, and is therefore frequently used to help monitor and diagnose conditions in many parts of the body. Ultrasound is a high frequency sound that you cannot hear, but it can be emitted and detected by special machines. The images are produced when the sound waves are directed into the body then reflected back to a scanner that measures them..
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