Gallstones and Biliary Disease Flashcards
What are gallstones?
Hard stone formations in the gallbladder.
What are the classic risk factors for gallstones?
Fair, fat, fertile, female, forty.
What conditions increase gallstone risk?
Age, family history, Crohn’s disease, diabetes, gallbladder dysmotility, fasting, TPN.
What are cholesterol gallstones made of?
Mainly cholesterol due to bile stasis or excess cholesterol.
What causes pigment gallstones?
Excess bilirubin.
What type are most gallstones?
Mixed (80%).
Are most gallstones symptomatic or asymptomatic?
Asymptomatic.
What are two common acute presentations of gallstones?
Biliary colic and acute cholecystitis.
What causes acute cholecystitis?
Obstruction of the cystic duct by a gallstone.
What is a positive Murphy’s sign?
Pain on inspiration when pressing in the RUQ.
What imaging is used for acute cholecystitis?
USS (first-line), MRCP/ERCP for clarification.
What are the key blood test findings in acute cholecystitis?
Raised ALP > ALT/AST, bilirubin, CRP, FBC.
What is the initial management of acute cholecystitis?
IV antibiotics, fluids, NBM.
What is definitive treatment for cholecystitis?
Cholecystectomy.
What causes biliary colic?
Gallstone temporarily blocking the gallbladder neck.
Is inflammation present in biliary colic?
No.
What are the symptoms of biliary colic?
RUQ pain after eating, radiates to back/shoulder, nausea.
How is biliary colic treated?
Painkillers, low-fat diet, cholecystectomy if recurrent.
What is cholestasis?
Decreased bile flow due to secretion or obstruction issues.
What causes obstructive cholestasis?
Gallstone in CBD, bile duct strictures, or malignancy.
What causes metabolic cholestasis?
Genetic or drug-induced bile formation disturbances.
What are the symptoms of cholestasis?
Jaundice, RUQ pain, fat malabsorption.
What imaging confirms cholestasis?
USS, MRCP, or ERCP.
How is gallstone-induced cholestasis treated?
ERCP for stone removal or CBD surgical exploration.