Portal vein is usually formed by the confluence of Correct Answer: SMV & Splenic veins
*It also receives blood from the inferior mesenteric, gastric, and cystic veins
Type 1 (a/b) endoleak Correct Answer: Leak in anastamosis of graft at (a) prox or (b) distal end
Type 2 endoleak Correct Answer: Aorta branch vessel; exhibits retrograde flow; more
dangerous b/c internally bleeding
Type 3/4 endoleak Correct Answer: (3) Junction of modular components; (4) Trans graft flow-
graft defect
Chronic Mesenteric Ischemia Correct Answer: "Fear of Food" 95% of Bowel Ischemia cases
Atherosclerotic stenosis/occlusion in main mesenteric arteries: >70% stenosis in 2/3 of principle
mesenteric arteries
Ischemia diagnosis criteria via Moneta Correct Answer: Celiac >200cm/s
SMA >275cm/s
Median Arcuate Ligament Syndrome (MALS) Correct Answer: Arch impedes on Celiac during
EXPIRATION (non-compressed during inhalation)
,Measurement(s) of Splenic Vein Correct Answer: 7-17 cm long; 5-10mm diameter
Portal vein diameter Correct Answer: <13mm
Blood supply to liver Correct Answer: 75% from Portal VEIN; 25% from Hepatic ARTERY
Portal vein carries ____________ to the liver Correct Answer: Nutrients
Hepatic artery carries ______________ to the liver Correct Answer: Oxygen
Large vessels serve as Correct Answer: Pressure reservoirs
Vasodilation Correct Answer: Stretch to absorb
Vasoconstriction Correct Answer: shrink/squeeze
Energy and stenosis Correct Answer: Prox- PE↑, KE↓(highest total energy)
Within-PE↓, KE↑ (lower TE, Bernouille's)
Distal-PE↑, KE↓ (lowest total energy)
Circle of Willis has atleast ____ variations with the most common being ___________________
Correct Answer: 9; the absence of one or both communicating arteries
What portion of the population has an incomplete CofW? Correct Answer: 50%
What portion of the population has a complete Cof W? Correct Answer: 20-25%
Anatomic interrogation Correct Answer: B-mode/2D best
Physiologic/hemodynamic interrogation Correct Answer: Spectral/Doppler best
Hemorrhagic Stroke Correct Answer: Bleed; HTN
Ischemic Stroke Correct Answer: Oxygen interruption; Blood clot/emboli from Atherosclerosis
Which stroke is known to be the 3rd leading cause of death? Correct Answer: Ischemic Stroke
Small perforating artery obstruction Correct Answer: Occurs in elderly/diabetics
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Classroom. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $15.49. You're not tied to anything after your purchase.
