Ultrasound imaging uses high frequency sound waves to make detailed pictures of internal organs and tissues in real time.
There are many different applications of Doppler ultrasound imaging, including abdominal, pelvic, musculoskeletal, internal organs (such as the scrotum and prostate) and vascular. Each of these imaging tests help doctors diagnose and treat medical conditions.
Ultrasound does not involve any radiation, and is generally a very safe procedure.