Abdominal Vasculature and Portal Venous System Flashcards
Master Review Questions material
The transverse duodenum passes anteriorly to what?
The IVC and aorta
The SMA passes anteriorly to the:
duodenum and left renal vein
If the angle of the SMA decreases, what structures will most likely be obstructed?
Transverse portion of duodenum and left renal vein
Symptoms of aortic anuerysm
pulsation in his epigastric region and high blood pressure
caput medusae is an end-stage characteristic of what liver disease?
liver cirrhosis
Snakelike appearance on the body wall is a sign of what?
Caput medusae
Umbilical veins are are expanded when hypertension occurs in what vein?
Portal vein
Dilated veins on anterior wall of abdomen is a sign of what?
Caput medusae–obstruction of the portal vein
Gastroduodenal artery travels behind what structure?
First part of duodenum
To alleviate symptoms of portal hypertension, a vein from the portal venous system must anamost with a vein from what system?
Caval-systemic venous system
Fluid ascites, dilated varies, jaundice and portal hypertension are all aftereffects of what liver disease?
Hepatic cirrhosis
When pressure in the portal vein is elevated, varices occur at what sites?
Anorectal junction
Esophageal varices at the gastroesophageal region’
Caput medusae at the umbilicus
caput medusae: The para-umbilical veins anastomose with veins of:
anterior abdominal wall
anorectal junction: The superior rectal vein of the portal system anastomose with:
middle and inferior rectal veins
gastroeopogeal junction: where the left gastric vein anastomoses with:
azygos system of veins of the caval system
The caval-systemic venous system ideally is present to allow what:
low-resistance and easily performed anastomosis
What vein of the liver carries blood to the back to the heart?
hepatic vein
Portal vein drains from what organs to the liver
Stomach, spleen, pancreas, intestines
Bleeding from esophogeeal varices is observed. The varices most likely a result of anastomoses between the left gastric vein and which other vessel (s)?
Azygos system of veins
What artery will most likely provide collateral supply to descending colon if IMA is occluded?
Middle colic artery