Ultrasound is a medical imaging technique that uses high-frequency sound waves to produce images of structures inside the body. It does not use ionizing radiation and is commonly used as part of the assessment of various medical conditions.

A healthcare professional may recommend an ultrasound to examine organs such as the liver, kidneys, gallbladder, and urinary bladder, or to assess pregnancy when clinically appropriate.

The type of ultrasound required depends on the patient’s symptoms, medical history, and the referring clinician’s advice.