Revision Powerpoint GI Flashcards
bloody diarrhoea, fragmented RBC’s, undercooked hamburgers, metallic green stool cultures?
E. coli 0157
red macules on body on examination?
salmonella Typhi
playing with turtles
undercooked chicken
stale chicken?
H. salmonella enterididis
bloody diarrhoea, haemorrhagic mucosa with ulcerations on distal colon?
shigella dystenteria
india
severe dehydration
watery (“rice water”) diarrhoea?
vibrio cholerae
unpasteurised/raw milk
guillian barre syndrome?
campylobacter jejuni
what are the symptoms of norovirus?
sudden explosive diarrhoea and vomiting
no blood
what is proctitis?
disease affecting only yht rectum
what is pancolitis?
disease involving whole olon
UC can sometimes spread proximal to the ileocaecal valve, true or false?
false
crypt abscesses in UC or crohns?
UC
treatment for crohns?
immunosuppression
steroids
anti-TNF
surgery not curative and can result in short gut but is sometimes used
treatment for UC?
5-ASA (mesalazine) Corticosteroids anti TNF immunosuppresants surgery
prehepatic jaundice?
unconjugated bilirubin increased
conjugatd bilirubin = normal
AST/ALT = normal
ALP/GGT = normal
Intrahepatic jaundice?
unconjugated bilirubin = increased
conjugated bilirubin = increased
AST/ALT = increased
ALP/GGT = normal
posthepatic jaundice?
unconjugated bilirubin = normal
conjugated bilirubin = increased
AST/ALT = normal
ALP/GGT = increased
how do conjugated and unconjugated bilirubin cause different symptoms?
unconjugated = normal urine and stool conjugated = pale stools and dark urine
normal urine and stools?
prehepatic
dark urine, normal stools?
hepatic
dark urine, pale stools?
post hepatic
3 causes of unconjugated hyperbilirubinaemia?
haemolysis
impaired hepatic uptake (drugs, CCF)
impaired conjugation (gilbert’s syndrome)`
2 causes of conjugated hyperbilirubinaemia?
hepatocellular injury
cholestasis
what is cholelithiasis?
gallstones