Omnipaque is a brand of iohexol, a non-ionic, low-osmolar iodinated X-ray contrast medium. It is used to improve the visibility of blood vessels.
Common uses:
Contrast-enhanced CT scans
Angiography (blood vessel imaging)
Urography (urinary tract imaging)
Myelography (spinal canal imaging)
Arthrography (joint imaging)
Gastrointestinal imaging (oral administration in selected studies)