Ultrasound technology uses high-frequency sound waves to produce images of the structures inside the body. This type of imaging is ideal for viewing organs that are soft or filled with fluid. Because ultrasound images are captured in real-time, they can show movement of organs, blood flowing throughout the circulatory system and fetal movement (during an obstetrical ultrasound).
The most common use of ultrasound imaging is the obstetrical ultrasound that evaluates the progress of the fetus during pregnancy. Other common uses of ultrasound are to evaluate lumps or masses, examine the size and shape of abdominal and pelvic organs, to detect gallstones, and to look for blood clots in the legs. Uterine fibroids are detected using ultrasound technology. Ultrasound technology is also used to guide invasive procedures like varicose vein treatment and to guide the insertion of needles during biopsies and amniocentesis.
Ultrasound imaging is safe and painless and usually takes 15 to 30 minutes.
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