 Ultrasound imaging is a method of "seeing" inside the human body through the use of high-frequency sound waves. The sound waves are recorded and displayed as a visual image. No radiation is involved in ultrasound imaging. Ultrasound is a useful way of examining many of the body's internal organs, including the heart, liver, gallbladder, spleen, pancreas, kidneys, bladder arteries, veins, female and male pelvic structures, and the growing fetus. There is generally little discomfort with ultrasound procedures, although the conducting gel may feel slightly cold.
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