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HIDA Scan

A HIDA scan, short for hepatic iminodiacetic acid scan (also called cholescintigraphy), is an imaging test used to evaluate the function of your gallbladder, liver, bile ducts, and small intestine. Doctors may recommend this scan if you’re experiencing severe abdominal pain or symptoms that suggest a problem with bile flow. Below is an overview of what a HIDA scan is, when it may be needed, and what the procedure involves.

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What is a HIDA scan?

A HIDA scan is a nuclear medicine imaging study that helps assess the health and function of the gallbladder and bile ducts. It is commonly ordered for patients with abdominal pain, jaundice, or following certain surgeries. During the test, a small amount of radioactive tracer is injected into a vein in your arm. The tracer travels through your bloodstream to the liver, passes into the gallbladder, and eventually moves into the small intestine.

A special camera, called a gamma or nuclear medicine scanner, tracks the movement of the tracer as it flows through the biliary system. This allows doctors to identify abnormalities such as blockages, inflammation, or bile leaks.

Hida scan procedure