The instant invention combines three distinct components to form a single effective bowel preparation for virtual colonoscopy (VC) examination: 4) a cathartic for colonic cleansing; 5) barium sulfate for stool tagging; and 6) water soluble iodinated contrast for colonic fluid opacification. Each component has been employed previously for VC preparation with sub-optimal results. The unique bowel preparation described herein combines these components and has been proven highly effective in a large, prospective multi-center VC screening trial. In addition to being highly efficient, the packaging of these three components into a single preparation kit is much more convenient for patients and their referring physicians. The specific timing and dosage of each component can vary within an acceptable effective range.
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