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yes!! any opiate-based pain meds contract a sphincter (the sphincter of Oddi) that allows bile into the small intestine to aid with digestion. Most imaging centers/hospital require that no pain meds are to be given 4-6 hours prior to a HIDA scan. However, morphine is used as an interventional drug DURING an abnormal HIDA scan. After 60 minutes of imaging, if the gallbladder is not visualized, morphine can be used to contract the same sphincter mentioned above to cause a back pressure of bile flow and "trick" the gallbladder into filling with the radiolabled bile.

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12y ago
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Q: How does morphine affect a hida scan?
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