biliary and pancreatic Flashcards
whta is cholecystitis
inflam of gallbladder commonlu secondary to gall stones
symptoms of acute cholecystitis
fever, RUQ pain, N+V
what sign is illicted in acute cholecystitis
Murphys sign
dx of acute cholecystsitis and what would be seen what investigations can be used secondary
USS >4cm thickening = DISTENSION
HIDA or MRCP
what is seen in chronic cholecystsits vs acute
what pathology is seen in gallbladder in chronic and not acute
chronic is thickened but not distended and
rokitansky aschkoff sinuses- kinda like diverticula
management of acute cholecystitis - acute and surgical
conservative - nil by mouth
iv lfuids
iv abx
NG if vom
ERCP or LAP CHOLE
common ascending cholangitis organisms
- e.coli
- klebsiella
- enterococcus
casues of ascending cholangitis
gallstone obstructing bile flow
ERCP related infection
what is ascending cholangitis
infection and inflam of the bile ducts
mangement of Ascending cholangitis
ERCP
what is reynolds pentad
fever, pain , jaundice, confusion(hepatic encephalopathy) and hypotension
what is courvoisiers law
painless palpable gallbladder and jaundice is probable pancreatic cancer
complications of acute chilecystitis
mucocele
empyema
fistula
perforation
mirittzi syndrome - external compression of heaptic duct
what conditions are assoc with cholangiocarcinoma
PSC, UC
what is klatskin tumour
cholangiocarcinoma at the join of hepatic ducts
what tumour marker is used for cholangiocarcinoma
CA 19-9
pathophysiology of pancreatitis
autodigestion of pancreatic tissue by the pancreatic enzymes, leading to necrosis
what are cullen and grey -turners sign
seen in pancreatitis
cullen - peri umbilical bruising
grey-tuenre- flank bruising
investigations for pancretitis
amylase/lipase
USS - however can be diagnosed clinically
which is more sensitive in pancreatitis amylase or lipase
lipase
how raised is amylase in pancreatitis
3x upper limit
what is better in delayed presentations of pancreatitis amylase or lipase and why
lipase - longer half lfe
what scoring system is used to assess severity of pancreatitis
GLASGOW
what is an indicator of severity in pancreatitis
age > 55 years
hypocalcaemia
hyperglycaemia
hypoxia
neutrophilia
elevated LDH and AST
what is involved in the glasgow scoring system
P – Pa02 < 8 KPa
A – Age > 55
N – Neutrophils (WBC > 15)
C – Calcium < 2
R – uRea >16
E – Enzymes (LDH > 600 or AST/ALT >200)
A – Albumin < 32
S – Sugar (Glucose >10)
what drugs casue pancreatitis
azathioprine, mesalazine*, didanosine, bendroflumethiazide, furosemide, pentamidine, steroids, sodium valproate, sitagliptin
main treatment of pancreatitis
fluid resus
complications of pancreatitis
pseudocysts
Peripancreatic fluid collections
necorsis
abscess
aemorrhage
what is a systemi ccomplication of pacnreatitis
ARDS
most common casue of chronic pancreatitis
alcohol
features/symps of chronic pancreatitis
pain worse following meal
steatorrhoea
DM
what is seen on the pancreas in chronic pancreatitis
calcification
investigations for chronic pancreatitis
XRAY
CT
what test can be used to assess exocrine function of pancreas
faecal elastase
management of chronic pancreatitis
creon - enzyme supplemet
most common type of pancreatic tumour
adenocarcioma
features of pancreatic cancer
weightloss, painless jaundice, steatorrhoea, jaundice, diabetes secondary to loss of endorine function
investigation of choice for pancreatic cancer
CT
what sign is seen on CT in pancreatic cancer
doubel duct
treatment of pacreatic cancer
whipple
complication of whipple
dumping syndrome and peptic ulcer
what can be done in pancreatic cancer if surgery not suitable
ERCP for stent
pancreatic cancer assoc with what conditions
smoking, DM, chronic pancreatitis, HNPCC, MEN , BRCA 2, KRAS gene