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Ultrasound Imaging

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.

Unsure if you need to see a specialist? Need a physician referral?

Visit your St. Luke's primary care physician. Your primary doctor is an expert on the St. Luke's system and can help guide you to the care most appropriate for you.


St. Luke's Diagnostic Imaging

  • St. Luke's Hospital
    915 East First Street
    Duluth, MN 55805 Map
  • Phone 218.249.5317
    Fax 218.249.5112

Outpatient Diagnostic Imaging

  • St. Luke's Lakeview Building
    1001 East Superior Street, 3rd Floor
    Duluth, MN 55802 Map
  • Phone 218.249.5317
    Toll Free 877.249.5112

Mariner Medical Clinic

  • 109 North 28th Street East
    Superior, WI 54880 Map
  • Phone 715.395.3900
    Fax 715.395.3936

Laurentian Medical Clinic

  • 8373 Unity Drive
    Mountain Iron, MN 55768 Map
  • Phone 218.748.7480
    Toll Free 888.824.9477

    Fax 218.748.7488

Lake View Hospital

  • 325 11th Avenue
    Two Harbors, MN 55616 Map
  • Phone 218.834.7300
    Toll Free 800.834.8890

    Fax 218.834.7388

Bay Area Medical Clinic

  • 50 Outer Drive
    Silver Bay, MN 55614 Map
  • Phone 218.226.4431
    Toll Free 877.226.4431

    Fax 218.226.4425

218.249.5555 | 800.321.3790

St. Luke’s, 915 East First Street, Duluth, MN 55805
© 2017 St. Luke's. All Rights Reserved.

915 East First Street
Duluth, MN 55805