Nuclear Medicine HIDA Scan Patient Information

*** PREP: Nothing to eat OR drink 4 hours before test ***

*** Let the technologist know if you are pregnant or breastfeeding ***

Your doctor has determined that you are in need of a test called a Nuclear Medicine HIDA Scan.  This is a simple procedure that evaluates your gallbladder function.  When you arrive at your appointment you will receive an injection through your vein of a radioisotope that will slowly circulate throughout your bloodstream and accumulate in your gallbladder.  This isotope has no side effects.  After the injection is given, you will have to lie still on a scanning table while a camera takes pictures of your abdominal area.  Commonly, the isotope should accumulate in the gallbladder in one hour’s time.  If indicated, once the gallbladder is filled, you will be given an IV infusion of medicine called CCK, which will flush the isotope out of the gallbladder.  The camera will continue to take pictures, and your gallbladder function will be determined.  The entire procedure usually lasts 90 minutes to 2 hours; however, it can take longer if you have poor gallbladder function.