Gallstone disease (cholecystitis / cholangitis / CBD stone)

HIGH-YIELD Appears 9×

Teaching point

RUQ pain + gallstones -> ULTRASOUND first. Acute cholecystitis -> early laparoscopic cholecystectomy (within 1 week). Cholangitis / ductal dilation / deranged LFTs -> MRCP to image ducts, ERCP if stone needs removal (therapeutic). Elective chole antibiotic prophylaxis = single dose at induction.

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