
Venous ultrasound uses sound waves to produce images of the veins in the body. It is commonly used to search for blood clots, especially in the veins of the leg – a condition often referred to as deep vein thrombosis. Ultrasound does not use ionizing radiation and has no known harmful effects.
On occasion, you may be asked not to eat or drink anything but water for six to eight hours beforehand. Otherwise, little or no special preparation is required for this procedure. Leave jewelry at home and wear loose, comfortable clothing. You may be asked to wear a gown.