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Structures to be examined may include the gallbladder, bile ducts, liver, pancreas, spleen, kidneys and large blood vessels. abdominal scans – may be used to investigate abdominal pain, nausea, vomiting, abnormal sounds and lumps.Different uses of ultrasound scansĭoctors commonly use ultrasound for procedures such as: Sometimes, doctors will use ultrasound scanning to monitor and guide invasive procedures like a biopsy of a person’s breast or thyroid gland. However, some scans are done with a special probe that is inserted into the person’s vagina (for some obstetric or pelvic examinations), rectum (for some prostate examinations) or oesophagus (for some heart examinations). The high frequency of the sound means the human ear cannot hear it – which is why it is called ultrasound.Īn ultrasound scan is usually non-invasive (done from outside the body). The sound waves are emitted and received from a small, hand-held probe. The reflected sounds, or echoes, are recorded to create an image that can be seen on a monitor. The ultrasound machine directs high-frequency sound waves at the internal body structures being examined. Other names for an ultrasound scan include sonogram or (when imaging the heart) an echocardiogram. Doctors commonly use ultrasound to study a developing fetus (unborn baby), a person’s abdominal and pelvic organs, muscles and tendons, or their heart and blood vessels. An ultrasound scan uses high-frequency sound waves to make an image of a person’s internal body structures.