Picture of a hallway wall that says IMAGING
Ultrasound
Ultrasound is a procedure that uses high-frequency sound waves to view internal organs and produce images of the human body. The human ear cannot hear the sound waves used in an ultrasound. Typically used for fetal assessments, and viewing of the heart, arteries, kidneys, and abdominal organs, ultrasounds are now found in emergency departments, sports medicine clinics, surgery suites, and cardiac care units. Ultrasound is used to determine what disease or condition is present.
The technical term for ultrasound imaging is sonography.
History
Ultrasound technology was originally developed as sonar to track submarines during World War I. It was first used medically in the 1950s and is considered very safe.
The original ultrasound scanners produced still images, but modern scanners produce moving pictures, which are easier to interpret.
How do I Prepare for My Ultrasound?
No special preparation is required for a routine ultrasound, but it is best to wear loose comfortable clothing to your appointment.
For a liver or gallbladder scan, the patient is usually asked to fast (take nothing by mouth) for several hours before the test.
For a scan in early pregnancy, the woman is usually asked to drink several glasses of water, and not to pass urine for a few hours before the test. A full bladder helps to improve the view of the uterus by displacing nearby loops of intestine.
Cabinet Peaks Medical Center
Imaging Services
209 Health Park Drive
Libby, MT 59923
(406)283-7080
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