hepatic and portal circulation

Question 1

what does the azygos vein do

Answer 1

It is responsible for draining the thoracic wall and upper lumbar region via the lumbar veins and posterior intercostal veins 1. It also provides important collateral circulation between the superior and inferior venae cavae should they become obstructed 2.

Question 2

the liver is divided into how many segments

Answer 2

8

on right side
starting at bottom middle
lobe 5,6,7,8

on left side starting far end
2,3,4b,4a
1 right on far right

Question 3

what vein separates the two lobes

Answer 3

middle hepatic vein

Question 4

what vein separates the right lobe so 5and8 one side and 6and7 the other

Answer 4

right hepatic vein

right antihero section and right posterior section

Question 5

what vein separates the left lobe

Answer 5

left hepatic vein so 2and3 and then 4s

left lateral and left medial sections

Question 6

what lobe is found posterior in the portal plane

Answer 6

1

Question 7

what ligaments divides the lobes

Answer 7

falciform ligament

Question 8

what lobe is the quadrate lobe

Answer 8

4b

Question 9

3 branches of the celiac trunk

Answer 9

common hepatic ( right ) 
left gastric and splenic artery

Question 10

gastroduodenal artery comes off what

Answer 10

common hepatic deu to stomach supply blood

Question 11

GDA becomes what artery to supply stomach

Answer 11

right gastro epoploic

Question 12

RGE comes from artery

Answer 12

splenic artery

Question 13

in splenic flexure SMA and LMA artery joins called what

Answer 13

arc of ripon

middle colic and left colic do this to

Question 14

why do babies have big heads

Answer 14

as all their blood is diverted there

Question 15

what is portal hypertension

Answer 15

Portal hypertension is elevated pressure in your portal venous system. The portal vein is a major vein that leads to the liver. The most common cause of portal hypertension is cirrhosis (scarring) of the liver.

three other ways around the liver in cirrhosis and portal hypertension

lead to varies of oespahgus ( use systemic azygous veins instead of left gastric veins and anorectal varices ( now use systemic middle and inferior rectal veins intead of sup rectal veins)
umbilical - systemic sup epigastric veins used instead of paraumbilical veins

Question 16

bowel cancer metastasis to what first

Answer 16

liver

Question 17

what is TIPS procedure

Answer 17

guidwirie stent in via neck to hepatic vein through liver to portal vein to open it

Question 18

liver cirrhosis

Answer 18

Cirrhosis is scarring (fibrosis) of the liver caused by long-term liver damage. The scar tissue prevents the liver working properly. Cirrhosis is sometimes called end-stage liver disease because it happens after other stages of damage from conditions that affect the liver, such as hepatitis.

caused by alcoholic, hepatitis and fatty liver associated with obesity

Fatigue.
Easily bleeding or bruising.
Loss of appetite.
Nausea.
Swelling in your legs, feet or ankles (edema)
Weight loss.
Itchy skin.
Yellow discoloration in the skin and eyes (jaundice)
,Stages of Liver Disease. ...
Stage 1: Inflammation. ...
Stage 2: Fibrosis. ...
Stage 3: Cirrhosis. ...
Stage 4: Liver Failure.

Question 19

colon cancer travels to where

Answer 19

prostate in men

breast in women

Question 20

the right lobe of the liver includes what segments

Answer 20

5,6,7,8

Question 21

portal vein receives blood from

Answer 21

splenic vein, superior mesenteric vein, inferior mesenteric vein, pancreatic vein

Question 22

in fetal circulation the ductus venosus connects

Answer 22

The ductus venosus connects the intra-abdominal portion of the umbilical vein with the inferior vena cava at its inlet to the right atrium
bypassing the liver

Question 23

in anorectal varies the blood will use

Answer 23

the middle and inferior rectal veins instead of sup rectal veins

Question 24

in eospahgeal varies the blood will use

Answer 24

azygous vein instead of left gastric vein ( portal vein trib)

Question 25

in paraumbilical varicose ( caput medusa) the blood will use

Answer 25

sup epigastric veins instead of paraumbilcial veins