biliary tract Flashcards
1
Q
What does Chole mean
A
BIle
2
Q
What does Cysto mean
A
Bag or sack
3
Q
What does Cholecyst mean
A
Gallbladder
4
Q
What does choledocho mean
A
Common Bile Duct
5
Q
What does Cholangio mean
A
Bile vessel
6
Q
Where do you centre for Hypersthenic Patient Biliary imaging
A
T12 and lateral
7
Q
Where do you centre for sthenic Patient Biliary imaging
A
L2 or 1” above LCM and 2” to the right of MSP
8
Q
Where do you centre for Asthenic Patient Biliary imaging
A
Midline at L4
9
Q
Functions of the gallbladder
A
- Storage of bile
- Concentration of bile
- Contraction when stimulated by CCK
- CCK released when fat is detected in small intestine
10
Q
What is the modality of choice for Gallstones
A
- Ultrasound
11
Q
What is a PTC
A
- percutaneous Transhepatic Cholangiography
- insert a needle through the skin & liver to inject contrast into a bile duct
12
Q
What is a T tube cholangiogram
A
- biliary tract exam via t shaped catheter in common hepatic duct and common bile duct for post operative draining
- to show caliber and patency of ducts or residual/undetected stones
13
Q
What positon is this patient in
A
RPO 45* (Scottie dogs)
14
Q
What is ERCP done for
A
- through the mouth into descedning duodenum (where common bile duct enters)
- done in lateral position to prevent aspirating
15
Q
3 Alternate imaging modalities for Gallbladder
A
- CT (secondary study - CTA)
- Ultrasound (most common)
- MRI ( not as common)
