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If you have a history of severe kidney or lung damage, you are at increased risk of injury or side effects from the procedure. In those cases, the gallbladder ultrasound is more often used instead of the x-ray examination.
Ultrasound and MRI examination of the gallbladder has largely replaced the use of oral cholecystogram, especially in patients with diseased livers. Another type of scan (a nuclear medicine HIDA scan) may be used to see how the gallbladder works.
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