Vessels: 7.2: Dissection and aneurism Flashcards
What is pericardial tamponade?
blood in the pericardial sac
How does a AAA present?
pulsatile abdominal mass, flank pain
Where do aortic dissections usually occur?
the proximal 10 cm
What is the most common complication of a thoracic aneurism?
dilatation of the aortic valve root
What does fibrillin do?
it’s the molecule upon which elastic fibers are laid down
Where does a AAA occur?
below the renal arteries, but above the aortic bifurcation
Name an acquired disease that causes weakness of the aortic wall and dissection.
tertiary syphilis
What is an aortic dissection?
a tear of the intima, so blood goes thru the media
How does the wall become weak in AAA?
atherosclerosis (usu male smokers over age 60)
What is the most common cause of aortic dissection?
HTN
What is the most common complication of aortic dissection? What does it lead to?
pericardial tamponade; death
What is an inherited defect of fibrillin called?
Marfan’s Syndrome
How does the wall become weak in AAA?
atherosclerosis (usu male smokers over age 60)
Where does a AAA occur?
below the renal arteries, but above the aortic bifurcation
Name an acquired disease that causes weakness of the aortic wall and dissection.
tertiary syphilis
