Bardin Lecture Flashcards Preview

Block 3; Week 3 Michelle > Bardin Lecture > Flashcards

Flashcards in Bardin Lecture Deck (14)
Loading flashcards...
1

What is the difference b/w an aneurysm & a dissection? And where does each usu occur?

Aneurysm: usu occurs in the abdominal aorta
It bloats out, but no blood gets thru the layers.
Dissection: usu occurs in the thoracic aorta
intima gets messed up & blood gets thru the layers

2

What is a potential cause for sudden back pain?

a ruptured abdominal aortic aneurysm

3

With aneurysms...what is the role of thrombus?

Often, thrombus fills the lumen of the aorta until the lumen is closer to its original size.

4

What membrane covers the aorta?

parietal peritoneum b/c the aorta is retroperitoneal

5

What might you hear with your stethoscope when there is a huge aneurysm?

a bruit

6

What can cause shock? What are its symptoms?

can be caused by: bleeding, low blood volume, sepsis, inadequate tissue perfusion
Symptoms:
confusion
reduced urine output
hypotension
tachycardia (to compensate)

7

What are the 2 contexts in which aneurysms are discovered?

Found by chance...need to decide if you will fix it.
Found b/c it ruptured! Fix it or they will die.

8

How do we fix an aneurysm these days?

Graft w/ a stent
it is fed up thru the groin & popped into place

9

What is the difference b/w a blood clot that is thrombotic vs. embolic?

Thrombotic: the blood clot is lodged in the place where it was formed...
Embolic: blood clot traveled from one place & lodged in another

10

What is mesenteric ischemia?

interruption of blood flow to the intestines usu b/c of a blood clot
If Acute: no time for collaterals to develop
If Chronic: collaterals had time to develop

11

What is an endoarectomy?

when you go into the aorta & remove the plaque that is obstructing blood flow

12

Where do emboli typically lodge?

at a branch point of the vessel

13

Abdominal aortic aneurysms are usu _________.

athersclerotic

14

Dead intestine is a powerful generator of what? What could this lead to?

a powerful generator of acid
could lead to metabolic acidosis