Inability to see the radioactive tracer in the gallbladder might indicate acute inflammation, called acute cholecystitis. No radioactive tracer seen in the gallbladder.Slow movement of the tracer might indicate a blockage or obstruction, or a problem in liver function. The radioactive tracer moved freely with the bile from the liver into the gallbladder and small intestine. To make a diagnosis, your health care provider will consider your symptoms and other test results as well as the results of your HIDA scan. Drink plenty of water to help flush it out of your system. The small amount of radioactive tracer will lose its reactivity or pass through your urine and stool over the next day or two. Most people can go about their day after the scan. You might need more imaging within 24 hours if original images aren't good enough. You might be able to lessen the discomfort by taking deep breaths.Ī specialist in medical imaging, called a radiologist, will watch a computer screen to see the progress of the radioactive tracer through your body. Tell your team if you become uncomfortable. This process takes about an hour, during which you'll need to remain still. Morphine sometimes is given during a HIDA scan to make the gallbladder easier to see.Ī gamma camera is positioned over your abdomen to take pictures of the tracer as it moves through your body. During the procedureĭuring the test, you may get an IV injection of the medicine sincalide (Kinevac), which makes your gallbladder contract and empty. You might feel pressure or a cold sensation while the radioactive tracer is injected. Your health care team will position you on a table, usually on your back, and inject the radioactive tracer into a vein in your arm. Leave jewelry and other metal accessories at home or remove them before the procedure.To stop taking some medicines and supplements.You might be allowed to drink clear liquids. To fast for four hours before your HIDA scan.Your health care provider is likely to ask you: In most cases, nuclear medicine tests, such as the HIDA scan, aren't performed in pregnancy because of potential harm to the baby. Tell your health care provider if there's a chance you could be pregnant or if you're breastfeeding. Allergic reaction to medicines containing radioactive tracers used for the scan.Your health care provider might use a HIDA scan as part of a test to measure the rate at which bile is released from your gallbladder, a process known as gallbladder ejection fraction.Ī HIDA scan carries only a few risks. Postoperative complications, such as bile leaks and fistulas.Congenital problems in the bile ducts, such as biliary atresia. Gallbladder inflammation, called cholecystitis.A HIDA scan is often used with X-ray and ultrasound.Ī HIDA scan might help in the diagnosis of several diseases and conditions, such as: It's also used to look at the bile-excreting function of the liver and to track the flow of bile from the liver into the small intestine. It's then carried to the upper part of the small intestine, called the duodenum, to help break down fat in food.Ī HIDA scan is most often done to evaluate the gallbladder. When you eat, the gallbladder releases bile into the bile duct. Bile flows from the liver into the gallbladder, where it's held until needed during the digestion of food. The gallbladder serves as a reservoir for a yellow-green fluid produced in the liver, called bile.
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