Liver and Gallbladder Flashcards
___ refers t the plane separating the true left and right lobes
Cantlie’s line
from GB fossa to IVC
What separates the left lobe into lateral and medial segments?
falciform ligament
Small left lobe, large right lobe
What divides the quadrate and caudate lobe?
- GB
- Fissure for ligamentum teres
- IVC
- Fissure of ligamentum venosum
What lobe lies between the IVC and fissure for ligamentum venosum?
Caudate lobe
What lobe is located between the fissure for ligamentum teres and GB?
Quadrate Lobe
Remember, Quad = Teres
What are the contents of your porta hepatis?
- Hepatic Duct
- Hepatic artery
- Portal vein
[Name the corresponding segment]
caudate
segment 1
Drained by IVC
[Name the corresponding segment]
Left lateral
Segment 2 and 3
Drained by Left hepatic
[Name the corresponding segment]
left medial
Segment 4
4A and 4B
[Name the corresponding segment]
Right anterior
Segment 5 and 8
[Name the corresponding segment]
right posterior
Segment 6 and 7
What liver segments are drained by middle hepatic?
Segment 4, 5, 8
What structures are compressed in pringle maneuver?
- Portal vein
- Hepatic artery
- CBD
What clotting factor is not measured by your PT and INR?
Factor VIII
What is the level of serum bilirubin to cause a jaundice?
> 2.5 to 3 mg/dL
What are the most common causes of haemobilia?
- Iatrogenic
- Traumatogenic
- Neoplastic
What do you call the triad of haemobilia?
Quicke Triad
- Jaundice
- RUQ abdominal pain
- Upper GI hemorrhage
What is the hormone implicated with spider angiomata?
Estradiol
Caput medusa is due to re-opening of what veins?
umbilical vein
shunting blood from the portal vein
Ascites is clinically detected when greater than ____ L
1.5L
____ syndrome refers to an epigastric murmur seen in cirrhotic patients wherein blood from the portal vein is shunted to the umbilical vein
Cruveilhier-Baumgarten Syndrome
____ (horizontal/vertical) nail bands are seen in cirrhotic patients due to hypoalbuminemia.
horizontal
Dupuytren contracture in cirrhosis is due to?
enhanced oxidative stress, increased hypoxanthine
Hypogonadism in cirrhotic patients wis mainly due to?
direct toxic effect of iron or alcohol
The presence of asterixis in hepatic enceph is due to ___
disinhibition of motor neurons
What compound is implicated in fetor hepaticus seen in cirrhotic patients?
Volatile dimethyl sulfide
What is the first line drug for SBP?
Cefotaxime
What are the components of your Child Pugh Score B
Jaundice - Bilirubin 2-3 Ascites - minimal, controlled PTT - 40 to 70% Albumin 2.8 to 3.5 Nutritional status - good
What is the normal portal pressure?
5-10 mmHg
What is the cut off value of portal hypertension based on splenic vein pressure?
> 15mmHg
What is the most accurate method of determining portal hypertension?
Hepatic venography
What is the most significant manifestation of portal HPN?
esophageal varices
What is the surgical management for refractory BEV child pugh A
Surgical Shunt
What is the surgical management for refractory BEV child pugh B
TIPS
[Classification of portosystemic surgical shunts for BEV]
Eck fistula
End-to-side portocaval shunt
[Classification of portosystemic surgical shunts for BEV]
Linton shunt
Proximal splenorenal shunt
[Classification of portosystemic surgical shunts for BEV]
Warren shunt
Distal splenorenal (selective)
[Classification of portosystemic surgical shunts for BEV]
Inokuchi shunt
Left gastric vena caval shunt (selective)
[Classification of portosystemic surgical non-shunts for BEV]
used for recurrent BEV despite endoscopic and medical treatment who are not candidates for TIPS
Sugiura-Fukugawa procedure
Ligate venous branches entering distal esophagus and the proximal stomach from the level of inferior pulmonary vein,