Ultrasound, also called sonography is the most effective imaging technique that uses high frequency sound waves to produce the images of various organs, tissues or blood flow inside the body. These high-frequency sound waves are transmitted to the site of interest where the tissues scatter, reflect, and absorb the sound waves to various degrees. The sound waves that are reflected back are converted into electric signals. The recorded signals are analyzed by the computer and then the information is displayed on a screen. Ultrasound is a noninvasive technique that helps physicians diagnose and treat medical conditions.
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