HIDA scan is to see bile flow. So, if u think pt may have cholescystitis but there's no stone shown by Ultrasound, then if you do HIDA scan, you'll see if gallbladder is blocked. It doesn't tell you why it's blocked, but it tells you if it's blocked (obstruction) ~from my bf
A hepatobiliary (HIDA) scan is an imaging procedure used to diagnose problems of the liver, gallbladder and bile ducts.
For a HIDA scan, also known as cholescintigraphy and hepatobiliary scintigraphy, a radioactive tracer is injected into a vein in your arm. The tracer travels through your bloodstream to your liver, where the bile-producing cells take it up. The tracer then travels with the bile into your gallbladder and through your bile ducts to your small intestine.
A nuclear medicine scanner (gamma camera) tracks the flow of the tracer from your liver into your gallbladder and small intestine and creates computer images.
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