Wk 1 Aneurysms Flashcards
What is an aneurysm?
Abnormality in the wall of an artery, and the wall will start to expand and cause a bulge which is the aneurysm
Aneurysms are consistent with __
hypertension
High blood pressure causes the vessel to dilate causing the vessel wall to..
get thicker and it can burst causing an aneurysm
What may be heard over an aneurysm?
Bruits
What are the most common areas for aneurysms?
Aorta and cerebral arteries
Aneurysms cause __ blood flow and are susceptible to rupture
turbulent
What does a saccular aneurysm look like?
wide neck, bulbular
What does a fusiform aneurysm look like?
hangs around the entire artery
What does a pseudo aneurysm look like?
where blood gets in between the walls of the artery
What is a triple A?
aortic abdominal aneurysm
Triple As are either
infra or supra renal
What is a directing aortic aneurysm?
Blood gets in between the layers of the vessel and rips the layers apart
A more localized tear in the layer of the wall
pseudo aneurysm
Balloon shaped aneurysm
saccular
What is characteristic of a saccular aneurysm?
Wide neck, involves only one part of circumference
What is characteristic of a fusiform aneurysm?
Involves entire circumference of vessels, more gradual progression, and has potential extensive involvement
What is a berry aneurysm?
Subtype of a saccular aneurysm, smaller neck
Where are berry aneurysms typically located?
In the cerebral arteries at bifurcations
What is the most common place to see berry aneurysms?
Circle of Willis
What is the Circle of Willis?
Connection between anterior and posterior circulation at the base of the brain
Localized dissection or tear in the artery wall
pseudo aneurysm
Pseudo aneurysms are types of
hematomas
Pseudo aneurysm can be the result of a…
vascular intervention procedure
A triple A can be seen on abdominal assessment and felt as…
pulsating mass. But should not be deeply palpation
What is an aortic dissection?
tear down the aorta, separate from an aneurysm
What does an aortic dissection feel like?
Sudden severe, tearing pain
What are the early symptom of an aortic dissection?
Blood pressure is elevated
What are the late symptoms/signs of an aortic dissection?
BP unobtainable
Syncope, hemiplegia, paralysis of lower extremities
CV collapse, shock, then death
What are emergency medications used during an aortic dissection?
Beta blockers
Nitrates
