Gallbladder/Biliary System Flashcards
The gallbladder is divided into what 3 parts
neck
body
fundus
What is the name of the valve that controls the bile flow in the cystic duct
Heister’s Valve
When performing a gallbladder ultrasound you must evaluate what 4 areas of anatomy
gallbladder
common bile duct
liver
pancreas
The portal vein and hepatic artery flow is ____ the liver
toward
The flow in the bile ducts is _____ from the liver
away
connection from the gallbladder to the bile ducts
Cystic duct
What two things converge to form the CBD, which carries bile from the liver to the duodenum
Cystic Duct
Common Hepatic Duct
What is known as the Wirsung’s duct and joins to enter the duodenum at the Ampulla of Vater
CBD
main pancreatic duct
Muscular “gatekeeper” that relaxes to allow bile/pancreatic enzymes from the ampulla of vater to the duodenum
Sphincter of Oddi
Name 3 types of folds of the gallbladder and where they occur
Hartmann’s- neck
Phrygian Cap- fundus
Junctional Fold- between body and infundibuim
What is the term for removal of the Gallbladder
cholecystectomy
Is there any expected change in size of the CBD after the gallbladder is removed? How?
Yes
dilation
What is the appearance of the Gallbladder if the patient is not NPO
small and thick walled due to its contracted state
The purpose of changing the patient’s position during the exam is to demonstrate what
The mobility of gallstones and to make sure that no stones are lodged in the neck of cystic duct
The gallbladder should be less that ___cm in the anterior/posterior dimension from the transverse plane
5
The gallbladder wall should measure less than
3 mm
Where is the CBD routinely measured
At the point where right hepatic artery courses between the main portal vein and the bile duct
Typically, the CBD should be
5-6 mm or less
The CBD diameter increases with age. After 60 the normal CBD diameter increases
1mm per decade
What is round and distended, non-inflamed GB due to obstruction of the cystic duct
Hydrops/Mucocele
What is demonstrated when a pt. indicates exquisite tenderness of the rt costal margin over the area of the gallbladder. Is this an indication of disease?
Murphy’s sign
Yes
Name 4 appearances signs associated with dilated intrahepatic ducts
Parallel channel sign
double barrel shot gun
stellate confluence
too many tubes