DISISA (chronic) scan sample dictation

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HISTORY: The patient is [] year-old [] with []. Evaluate for chronic cholecystitis and ejection fraction calculation.

PROCEDURE: Dynamic images of the liver and anterior abdomen were obtained for [] minutes following the IV administration of [] mCi of Tc99m-DISIDA.

CCK (20 ng/kg) in 100 ml 0.9% normal saline was administered at [] minutes and infused over [] minutes.


FINDINGS: The hepatobiliary scan shows prompt, homogeneous hepatic uptake. There is visualization of activity in the intrahepatic and extrahepatic biliary trees at [] minutes, and the gallbladder at [] minutes. There is normal biliary-to-bowel transit (first noted at [] minutes).

The gallbladder ejection fraction (measured from [] to [] minutes) is calculated to be []%, which is [within/below] normal limits.

IMPRESSION: [Normal/Abormal] radionuclide hepatobiliary scintigraphy.

1. Poor gallbladder ejection fraction: %, consistent with chronic cholecystitis.

1. Normal gallbladder ejection fraction %; no scintigraphic evidence of chronic cholecystitis.