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Ultrasound is a high frequency sound based diagnostic imaging technique used to visualize solid organs,muscles, tendons, arteries nerves and veins and can assess their size and structure. Ultrasound is also used to visualize a fetus throughout pregnancy

Ultrasound scans are performed by medical health care professionals called Sonographers.

• Ultrasound is generally regarded as a "safe test" because it does not use ionising radiation as in x-ray but it is a form of energy, and scans should only be performed for a suitable medical indication by trained operators.

• The biggest danger of ultrasound is often considered to be misdiagnosis by untrained operators.

• US scans have been used to image the human body for at least 50 years and is currently one of the most important, widely used, and versatile imaging modalities in medicine.

• The technology is relatively inexpensive and portable, especially when compared with modalities such as magnetic resonance and computed tomography

• It poses no known risks to the patient, when used by appropriately trained professionals for medical indications

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