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Using sound waves to see organs and internal structures

Ultrasound uses high-frequency sound waves to look at the organs and structures inside the body. During pregnancy, ultrasound is used to view the fetus. During an ultrasound, the patient lies on a table and the technician or doctor uses a device called a transducer. The transducer moves across the outside of the body, sending sound waves that bounce off the tissues inside the body. A computer captures the sound waves and creates an image that the doctor can view.

Referral required for this service. If you need one, talk to your primary care provider.

To establish care with a Aspirus St. Luke's primary care provider, call 218.249.4000 or find a clinic near you.

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