HEPATOBILIARY AND PANCREATIC Flashcards
Courvoisier’s law
if gallbladder is palpable in a jaundiced patient, it is unlikely to be due to gallstones
Charcot’s triad of symptoms
(pain, fever, jaundice)
Occurs in cholangitis
Which site of pancreatic carcinoma causes obstruction
Head of pancreas
Thrombophelebitis migrans occur in
Pancreatic Ca
Side effects of long term TPN usage
hepatic dysfunction and fatty liver
Which drug can be used for pancreatic necrosis
Imipenem
Rx of pancreatic necrosis
Radiological drainage or
Surgical necrosectomy.
Causes of Acute Pancreatitis
GET SMASHED’:
Gallstones
Ethanol (Alcohol)
Trauma
Steroids
Mumps
Autoimmune disease, such as Systemic Lupus Erythematosus (SLE) or Sjogren’s syndrome
Scorpion venom (a rare and unlikely cause in most countries)
Hypercalcaemia
Endoscopic retrograde cholangio-pancreatography (ERCP)
Drugs, such as Azathioprine, NSAIDs, or Diuretics
Which drug causes acute pancreatitis
Azathioprine, NSAIDs, esteogen containing drugs or Diuretics
Why hypocalcemia occurs in pancreatitis
Fat necrosis from pancreatic enzymes release fatty acids in circulation which combined with calcium of blood causing hypocalcemia
What is caused by the enzymes released from pancreas due to inflammation in systemic circulation
These enzymes cause fat necrosis and necrosis of blood vessels (the latter is the cause of retroperitoneal hemorrhage)
Differential causes of hyperamylasaemia
Acute pancreatitis
Pancreatic pseudocyst
Mesenteric infarct
Perforated viscus
Acute cholecystitis
Diabetic ketoacidosis
Assessment of severity of acute pancreatitis is done by
Glasgow, Ranson scoring systems and APACHE II
How how to assess gallstones as the cause of acute pancreatitis
An alanine transaminase (ALT) level >150U/L has a positive predictive value of 85% for gallstones as the underlying cause
Which infections causes acute pancreatitis
Mumps, Coxsackie virus,Typhoid
What is Balthazar score and when it should be done
A CT Scoring system to risk stratification of Pancreatitis
A/c to UK guidelines it should be done 6-10 days after admission in patients with features of persistent inflammatory response or organ failure*.
Pancreatic cyst usually presents at
lesser sac obstructing the gastro-epiploic foramen by inflammatory adhesions..
Pancreatic necrosis vs pseudocyst timeline
Necrosis occurs with evidence of persistent systemic inflammation for more than 7-10 days after the onset of pancreatitis.
Peudocyst: typically formed weeks after the initial acute pancreatitis episode.
Which criteria is used in first 48 hours of acute pancreatitis for risk stratification
The modified Glasgow criteria is used to assess the severity of acute pancreatitis within the first 48 hours of admission
Glasgow Score
Helpfully, the mneumonic to remember the score is PANCREAS:
pO2 <8kPa,
Age >55yrs,
Neutrophils (/WCC) >15×109/L,
Calcium <2mmol/L,
Renal function (Urea) >16mmol/L,
Enzymes LDH>600U/L or AST>200U/L,
Albumin <32g/L,
Sugar (blood glucose) >10mmol/L
MCC of HCC
Viral hepatitis
Causesof HCC
Viralnhepatitis, chronic alcohol excess, hereditary haemochromatosis, primary biliary cirrhosis (PBC), and aflatoxin exposure (a toxic fungal metabolite), smoking, >70 years
initial imaging modality of choice for suspected HCC,
USS
Which scores are used to assess the risk of mortality from cirrhosis
Child-Pugh
MELD