What is the definition or description of: diagnostic ultrasound?

US: Diagnostic ultrasound is an ultrasound examinatoin performed to try gather information about the tissues or organ being examined. It is non-invasive and does not expose the patient to ionizing radiation.

Imaging with sound: Diagnostic ultrasound uses sound waves to characterize tissues of the body and does not involve irradiation.The frequencies used in diagnostic ultrasound are typically between 2 and 18 mhz. Sonography images tendons, muscles, joints, blood vessels and internal organs (kidneys, liver, heart, spleen, bladder, ovaries, testes babies in utero. Brain ultrasound is performed in infants.