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Real-time
Ultrasound
Diagnostic Ultrasound
Real-time imaging with sound waves for abdominal, pelvic, vascular and soft-tissue exams.
Typical visit
20–45 min
Preparation
Exam-specific
Ionising radiation
None
Overview
Ultrasound uses high-frequency sound waves to create live images. A sonographer moves a small handheld probe over the skin with a little gel to see organs, vessels and soft tissue in real time.
There is no radiation involved, and most examinations are quick and painless.
Commonly used for
Abdomen (liver, gallbladder, kidneys)
Pelvis
Thyroid and neck
Blood vessels and Doppler studies
Muscles and tendons
What to expect
Preparation check. We confirm whether you have fasted or filled your bladder, depending on the exam.
The exam. You lie on a couch while the sonographer moves the probe over the area with warm gel.
Live images. You may be asked to breathe in, hold, or turn slightly to help us see more clearly.
Afterwards. You can wipe off the gel and return to normal activities immediately.
Preparation
Before your visit
Abdominal scans often need a few hours of fasting
Pelvic scans often need a comfortably full bladder
Wear two-piece clothing
Check your confirmation for exam-specific advice
Abdominal ultrasound
Common questions
Does ultrasound hurt?
No. You may feel light pressure from the probe; tell the sonographer if anything is uncomfortable.
Why do I need a full bladder?
For many pelvic exams a full bladder lifts the bowel out of the way and acts as a window for the sound waves.
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