Contrast Materials
Contrast material also referred to as a contrast agent or contrast medium. Any internally administered substance that has a different opacity from soft tissue on radiography or computer tomography. Includes:
-
Barium or water, used to make parts of the gastrointestinal tract opaque.
-
Iodine in water, which is used for arthrography
-
Water soluble iodine, used to make blood vessels opaque; to demonstrate the inner structures of the urinary tract (kidney, ureters, and bladder); and to outline joints (the space between two bones.
-
Iodine mixed with water or oil may be used to evaluate the fallopian tubes and lining of the uterus.
-
Sterile saline (salt water) is used during hysterosonography.
-
May refer to air occurring naturally or introduced into the body.
-
Paramagnetic substances used in magnetic resonance imaging.
