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Delayed biliary-to-bowel transit (>60 minutes) may be a normal finding in what percentage of individuals?
20%
How long must the patient be fasting before undergoing hepatobiliary scintigraphy?
4 or more hours
Hepatobiliary scintigraphy performed using 4.9 mCi of Tc99m Choletec IV. Imaging performed every 6 minutes for 1 hour.
Exam shows homogenous liver uptake of radiotracer with prompt clearance from the blood pool (dashed oval).
The gall bladder fills normally starting at 24 minutes (arrow) excluding cystic duct obstruction.
There is normal biliary-to-bowel transit at 42 minutes (arrowhead).
Static images obtained immediately after the first 60 minutes of imaging confirm normal gall bladder filling.