cardio: atherosclerosis

Question 1

atherosclerosis causes

Answer 1

coronary heart disease

Question 2

atherosclerosis info

Answer 2

• leading casue of deaaht by occlusion causing ischemia of heart or brain
• starts in adolescene
• affects artry walls

Question 3

atherosclerosis happens form

Answer 3

Fatty plaques forming in walls of large/medium sized arteries
Plaques are composed of subsatnces like:
- Cholestoral
- Smooth muscle cells

Question 4

atherosclerosis pathogenesis

Answer 4

accumulation of cholesterol and “foam cells” as well as formation of fiborous scar tissue beneath the intimal layer
smooth muscles allso migrate form underlying media into the growing plaque
the growing plaque reduces blood vessel diameter

Question 5

atherosclerosis risk factors

Answer 5

• hypercholesterolaemia
• men >45, women> 55
• family history
• cigarette smoking
• hypertension
• diabetes mellitus
• obesity
• inactivity

Question 6

atherosclerosis consequences

Answer 6

bood flow reduced to tissues supplied by affected arteries causing:
- peripheral arterial disease: intermittent claudication
- acute arterial occlusion
-aneurysm
- thrombosis