Hepatic blood flow

Q. All are true regarding hepatic blood flow except
A. Liver has dual blood supply from portal vein and hepatic artery
B. 70% of liver oxygen comes from the hepatic artery
C. 70-80% of blood supply to the liver is from portal vein

d) Liver receives 25% of cardiac output

Answer for premium

The explanation discusses how much blood and oxygen goes through portal vein and hepatic artery to the liver

What is hepatic artery buffer response

 

Liver trauma

Q) All are true for blunt hepatic trauma except
A. Grade V liver injuries are associated with vascular avulsion
B. Hepatic packing is an expeditious method to control bleeding in blunt hepatic trauma
C. After damage control Surgery and hepatic packing, abdominal compartment syndrome can
happen in immediate postoperative period
D. Post conservative management, in the 3rd week anemia MC occurs due to subcapsular
hematoma rupture

Answer

HCC Cancer

Q) Which of the following is true about screening in hepatocellular carcinoma (HCC Cancer) 

a) Alpha feto protein should be done 6 monthly

b) Ultrasound abdomen should be done 6 monthly

c) Candidates for liver transplant should be screened every 3 months

d) Nodules more than 2 cm should be followed up  more regularly

Answer b

In a cirrhotic liver, hcc cancer  can develop any time and a stringent screening protocols  have  to be followed for early detection and timely treatment. Earlier ultrasound of liver and alpha feto protein were both used as tumor markers. However in 2009 Marrero et al demonstrated the suboptimal accuracy of AFP and after that it has been removed from the screening protocol and now only ultrasound is being done.

The screening recommendation is not for those patients with severe Read More ...

Hemangioma Liver

Q) True about management of hemangioma liver

a) All hemangioma more than 10 cm should be resected

b) OCPs and pregnancy should be avoided in young females as there is risk of rupture

c) Arterial embolization should be routinely done in large hemangiomas

d) If surgery is decided  hemangioma located at the periphery should be enucleated

Answer d

Explanation for premium members