Oral Cholecystogram
Alternate Names : Gallbladder Series, Gallbladder X-Ray, OCG, X-Ray - Gallbladder
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How is the Test Performed?
The test is performed in a hospital radiology department or in the health care provider's office by an X-ray technician. The night before the test, you swallow 6 tablets (one at a time) that contains the contrast medium. At the hospital, you will lie on the X-ray table and will be asked to assume various positions.
The health care provider may examine the gallbladder with a fluoroscope (a type of X-ray that projects the image onto a TV-like monitor). Then you may be asked to drink a high-fat formula that will cause the gallbladder to contract and release some bile. X-ray images will then be taken at timed intervals.
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