vascular pathology

arteriosclerosis

when the arterial system becomes hard and stiff

arteriosclerosis causes

restriction of blood flow to organs and tissues

arteriosclerosis leads to

high blood pressure

what is a form of arteriosclerosis

atherosclerosis

atherosclerosis is a build up of

fats, cholesterol, and plaque within the wall

why is plaque a problem?

it can break loose from wall and cause a blood clot or thrombus to form in the artery

what are most arterial diseases due to?

atherosclerosis

where is atherosclerosis usually seen

Ascending and descending aorta

abdominal aortic aneurysm dilation is

greater than 3 cm and diameter or 1.5 times diameter of proximal aorta

abdominal aortic aneurysms are most common in

White males older than 65 years

most aneurysms occur

Infrarenal

aortic aneurysm risk factors

rupture and dissection

most common aortic aneurysm

Fusiform aneurysm

fusiform aneurysm appearance

bulbous or balloon shape

where does Fusiform aneurysm extend aorta length into?

Iliac arteries

when does saccular aneurysm occur?

When a portion of blood vessel wall becomes weak causing a spherical bulge

where is the saccular spherical bulge?

on the anterior wall aorta connected with a lumen

saccular measures

5-10 cm

why are ruptured aneurysms life-threatening?

they cause internal bleeding

aneurysm greater than 5 cm have a ___ Chance of rupture over ___

25%, 8 years