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A member asked:
Is it true that fasting fkr 24 hours prior to hida scan can cause false positive?
2 doctors weighed in across 2 answers
Yes: Yes, prolonged fastoing, for more than 24 hours, can lead to a full gallbladder and a false positive. Eating within an hour or 2 can lead to a false positive as well.
Answered 2/4/2021
3.2k views
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Yes: Yes...false positive can occur with prolonged fasting. If you fast for >24 hours then the gallbladder may already be filled and fail to fill with the radiotracer.
Answered 8/14/2015
2.4k views
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Related Questions
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My hida scan came back abnormal. I dont have a ton of pain or issues from gallbladder like normally would. Can the motility of the gallbladder be improved? Or can the scan produce false positives?
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