Surgical Teaching - Gallstones Flashcards
1
Q
need to have symptoms for choledocholithiasis?
A
Nope, could be asymptomatic
2
Q
cut off time wise between biliary colic vs. cholecystitis?
A
around 6 hours
3
Q
how to tell on ultrasound if it’s polyp or gallstone?
A
change patient position, stones will move
4
Q
gallbladder polyp risk?
A
gall bladder cancer if >10mm
needs surveillance if between 5-10mm
5
Q
disadvantages of ultrasound for gallbladder
A
user dependent
6
Q
what is Mirizzi’s syndrome?
A
when gallstone impacted in cystic duct causing compression of CBD causing obstruction
7
Q
Abx for cholecystitis/cholangitis etc.u
A
Ceftriaxone + metronidazole: gram negs + anaerobes
or tazocin for possible resistant organisms cholangitis
8
Q
lesser known risk factors for gallstones
A
haemolytic anaemia
TPN
pregnancy
