Hida scan fluctuating numbers, what's wrong?

Up or down: It is really depend if the numbers are going down mean your gallbladder function getting worst if is up and down the test is not reliable and depend on your symptoms if the fluctuation up and down but still below 30% your gallbladder could be the problem.

Technique?: Are the scans all being done at the same place with the same technologist? Gallbladder ejection fraction can depend on the length of time that the cck is infused over and the region of interest drawn by the technologist. Often cck infusion and ef calculation is done over 30 minutes but it can be done over a longer period of time.